{"title":"Tungaloy Threading Inserts | TungThread ISO, UN, NPT, Whitworth","description":"\u003cdiv style=\"font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1000px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: text;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eTungaloy Threading Inserts (TungThread)\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eHigh-Precision Thread Profiles | AH725 Wear Resistance | Global Standard Compatibility\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eWhich threading insert grade is most effective for preventing edge chipping in stainless steel?\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy Threading (TungThread)\u003c\/strong\u003e series provides professional-grade solutions for external and internal thread production. Featuring the industry-leading \u003cstrong\u003eAH725 PVD grade\u003c\/strong\u003e, these inserts are engineered with a ultra-fine grain carbide substrate and a high-adhesion coating that prevents built-up edge (BUE) and thermal cracking. Whether you are cutting \u003cstrong\u003eISO Metric, UN (Unified), NPT (Pipe), or Whitworth\u003c\/strong\u003e profiles, TungThread ensures perfectly formed roots and crests. The precision-ground chipbreaker design manages long chips common in threading operations, preventing \"bird-nesting\" and ensuring a smooth surface finish across all workpiece materials from soft steels to tough alloys.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch3 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eDecoding Tungaloy Threading Nomenclature\u003c\/h3\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 8px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f;\"\u003e16\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eI.C. Size\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f;\"\u003eE \/ I\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eExt \/ Int\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f;\"\u003eR \/ L\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eHanded\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f;\"\u003e1.50\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch\/TPI\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f;\"\u003eISO\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eStandard\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f;\"\u003eAH725\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eGrade\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; display: flex; flex-wrap: wrap; gap: 20px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px; border: 1px solid #47479F; padding: 20px; border-radius: 8px;\"\u003e\n\u003ch3 style=\"color: #47479f; margin-top: 0;\"\u003eMulti-Point Precision\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003eTungaloy threading inserts feature ground profiles that ensure 100% adherence to ISO and ANSI thread standards, eliminating secondary gauging issues.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px; border: 1px solid #47479F; padding: 20px; border-radius: 8px;\"\u003e\n\u003ch3 style=\"color: #47479f; margin-top: 0;\"\u003ePremium AH725 PVD\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003eOptimized for small-to-medium parts, the AH725 grade provides extreme toughness for interrupted threading and long tool life in stainless steels.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px; border: 1px solid #47479F; padding: 20px; border-radius: 8px;\"\u003e\n\u003ch3 style=\"color: #47479f; margin-top: 0;\"\u003eFull Profile Economy\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003eFull-profile inserts deburr the thread crest automatically, ensuring a safer part to handle and a more professional aesthetic without manual filing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eTechnical Specifications: Metric vs. Imperial Pitch\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eISO Model\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eStandard Type\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric Pitch\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial TPI\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e16ER 1.50 ISO\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eISO Metric (Ext)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1.5 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e~17 TPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e16ER 14 UN\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eUnified Thread (Ext)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1.81 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e14 TPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e16IR 1.00 ISO\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eISO Metric (Int)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e~25 TPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 25px; padding: 25px; background-color: #47479f; color: white; border-radius: 12px;\"\u003e\n\u003ch4 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 5px;\"\u003eRecommended Pass Data (Pitch-Dependent)\u003c\/h4\u003e\n\u003ctable style=\"width: 100%; color: white; margin-top: 10px; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid rgba(255,255,255,0.2);\"\u003e\u003cstrong\u003eFine Pitch (0.5 - 1.0mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid rgba(255,255,255,0.2);\"\u003e4 - 8 Passes | Vc: 80 - 150 m\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eCoarse Pitch (2.0 - 3.0mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e10 - 16 Passes | Vc: 60 - 120 m\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; text-align: center;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eMatching Threading Holders\u003c\/h3\u003e\n\u003cdiv style=\"border: 2px dashed #47479F; padding: 15px; border-radius: 8px; display: inline-block;\"\u003e\n\u003cp style=\"margin: 0; font-weight: bold;\"\u003eCompatible with SER (External) and SNR (Internal) Series\u003c\/p\u003e\n\u003ca style=\"color: #47479f; text-decoration: underline; font-weight: bold;\" href=\"\/collections\/threading-holders\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cnchome-beyond.com\/collections\/external-thread-tool-holder\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #47479f;\"\u003e\u003cspan style=\"text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cb\u003e\u003cu\u003eShop Precision Threading Bar Collection\u003c\/u\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; display: flex; flex-wrap: wrap; gap: 30px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eStandard Profiles Supported\u003c\/h3\u003e\n\u003cul style=\"padding-left: 20px;\"\u003e\n\u003cli\u003eISO Metric (60°) External \u0026amp; Internal\u003c\/li\u003e\n\u003cli\u003eUnified (UN\/UNC\/UNF) for North American standards\u003c\/li\u003e\n\u003cli\u003eWhitworth (BSW\/BSF) 55° profiles\u003c\/li\u003e\n\u003cli\u003eNPT and BSPT Tapered Pipe Threads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eUniversal 16ER\/16IR sizing fits all standard threading holders from Sandvik, Iscar, Kennametal, and BEYOND. Optimized for CNC lathes from Haas, Citizen, and Star.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n\u003ch3 style=\"color: #47479f; text-align: center;\"\u003eTungaloy Threading Grade Comparison\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-top: 15px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; background: white;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eGrade\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCoating\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMain Benefit\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; color: #47479f;\"\u003eAH725\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003ePVD (TiAlN)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eUniversal usage, high chipping resistance.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; color: #47479f;\"\u003eT9125\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCVD (TiCN+Al2O3)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eHigh-speed external threading in steel.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #fff;\"\u003e\n\u003ch3 style=\"color: #47479f; text-align: center;\"\u003eThe BEYOND B2B Advantage\u003c\/h3\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 15px; margin-top: 15px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 15px; text-align: center; border-radius: 6px;\"\u003e\n\u003cstrong\u003eCertified Original\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eGenuine Tungaloy Distribution\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 15px; text-align: center; border-radius: 6px;\"\u003e\n\u003cstrong\u003eBulk Stock\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eImmediate Export Fulfillment\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 15px; text-align: center; border-radius: 6px;\"\u003e\n\u003cstrong\u003eTechnical Pros\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eApplication Support 24\/7\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch3 style=\"color: #47479f; text-align: center; margin-bottom: 30px;\"\u003eGlobal User Experience\u003c\/h3\u003e\n\u003cdiv style=\"border: 1px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Perfect UN Threads\"\u003c\/strong\u003e - \u003cem\u003eTom H., USA\u003c\/em\u003e\u003cbr\u003e\"Using the 16ER 14UN inserts in AH725 for hydraulic fittings. The pitch accuracy is spot on and the cresting profile means I don't have to deburr.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Long Life in Stainless\"\u003c\/strong\u003e - \u003cem\u003eF. Schmidt, Germany\u003c\/em\u003e\u003cbr\u003e\"Tungaloy threading inserts outlasted our previous brand by 40% in 316 Stainless Steel. High quality carbide.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Great Service\"\u003c\/strong\u003e - \u003cem\u003eL. Rossi, Italy\u003c\/em\u003e\u003cbr\u003e\"Beyond CNC always has the 16IR ISO series in stock. Genuine Tungaloy boxes and fast DHL shipping.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch3 style=\"color: #47479f; text-align: center;\"\u003eThreading FAQ\u003c\/h3\u003e\n\u003cdiv style=\"margin-top: 20px;\"\u003e\n\u003cdiv style=\"border-left: 5px solid #47479F; background: #f9f9f9; padding: 15px; margin-bottom: 10px;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0;\"\u003eQ: Should I use Radial or Flank infeed?\u003c\/p\u003e\n\u003cp style=\"margin: 5px 0 0;\"\u003eA: For most CNC operations, **Modified Flank Infeed (1-5°)** is recommended. This directs heat to one side of the insert and improves chip control.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 5px solid #47479F; background: #f9f9f9; padding: 15px; margin-bottom: 10px;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0;\"\u003eQ: What is the difference between Full Profile and Partial Profile?\u003c\/p\u003e\n\u003cp style=\"margin: 5px 0 0;\"\u003eA: Full profile inserts cut the complete thread including the crest (deburring). Partial profile (A60\/G60) can cut a range of pitches but does not finish the crest.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 5px solid #47479F; background: #f9f9f9; padding: 15px;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0;\"\u003eQ: How do I prevent thread vibration?\u003c\/p\u003e\n\u003cp style=\"margin: 5px 0 0;\"\u003eA: Ensure your tool overhang is as short as possible. For internal threading, use a carbide-core boring bar if the ratio exceeds 3xD.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n\u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eIndustrial Tip: The \"Anvil\" Check\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eAlways ensure your tool holder's **shim\/anvil** matches the lead angle of your thread. An incorrect shim will cause the insert to rub on the thread flank, destroying finish quality. **BEYOND CNC** - Machining Accuracy.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #888; text-align: center; margin-top: 10px;\"\u003e© Technical Document by Beyond Li - CNC Tooling Technical Director\u003c\/p\u003e","products":[{"product_id":"16era60b","title":"16ERA60-B AH725  (10pcs)","description":"\u003cp\u003e\u003cstrong\u003eInternal insert  Coated ：AH725  Designation: 16ERA60-B AH725\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e ø\u003c\/strong\u003e\u003ci\u003e\u003cstrong\u003ed:9.525,    t: 0.9  ,    \u003c\/strong\u003e\u003c\/i\u003eR\u003cstrong\u003e3  : 0.8 ,    \u003c\/strong\u003e\u003ci\u003e\u003cstrong\u003er\u003c\/strong\u003e\u003c\/i\u003e\u003cstrong\u003eε : 0.05 。\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGarde：AH725 P15 - P30 M15 - M30 K25 - K30 S15 - S25 Coating：Main composition (Ti, Al)N Thickness 2\/ μm \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eFeature： Good balance between wear and chipping resistance\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e- Suitable for machining steel and stainless steel under general cutting \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003econditions 16ERA60B\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\" alt=\"\"\u003e\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":42254503641260,"sku":"16ERA60-B AH725","price":55.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/16ERA60-B-AH725-10pcs_36407428808876_5d41517e-bf2d-4b4e-aad4-035e6a730e82.jpg?v=1718369472"},{"product_id":"18npt-b","title":"16ER 18NPT-B AH725 (10pcs)","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eInternal insert  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eCoated ：AH725  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eDesignation: 16ER 18NPT-B AH725\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eø\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003ed:9.525,    \u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003et: 1  ,    \u003c\/i\u003e\u003c\/b\u003eR\u003cb data-mce-fragment=\"1\"\u003e3  : 0.8 ,    \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003er\u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eε : 0.05 。\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb\u003eGarde：AH725 P15 - P30 M15 - M30 K25 - K30 S15 - S25 Coating：Main composition (Ti, Al)N Thickness 2\/ μm \u003cbr\u003eFeature： Good balance between wear and chipping resistance\u003cbr\u003e- Suitable for machining steel and stainless steel under general cutting \u003cbr\u003econditions\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\" data-mce-fragment=\"1\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\" data-mce-fragment=\"1\"\u003e\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":42254518157484,"sku":"16ER 18NPT-B AH725","price":52.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/16ER-18NPT-B-AH725-10pcs_36434871615660.jpg?v=1718337952"},{"product_id":"tungaloy-11ir-0-5iso-b-ah725-internal-threading-carbide-insert","title":"Tungaloy 11IR 0.5ISO-B AH725 Internal Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003eT\u003cspan style=\"color: rgb(249, 245, 245);\"\u003eUNGALOY 11IR 0.5ISO-B AH725\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eFine Metric Internal Specialist | 0.5mm Pitch | AH725 Nano-PVD Coating\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy 11IR 0.5ISO-B AH725\u003c\/strong\u003e is a high-precision \u003cstrong\u003einternal threading insert\u003c\/strong\u003e engineered for ultra-fine 0.5mm pitch ISO metric threads (common in M3 and M4 assemblies). This \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e utilizes the world-renowned \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e grade, providing the edge sharpness and thermal stability required for \u003cstrong\u003eCNC machining\u003c\/strong\u003e of small-diameter bores in stainless steel and high-temp alloys. The \"-B\" chipbreaker is a critical feature for internal operations, ensuring that fine, needle-like chips are curled and evacuated to prevent damage to the delicate thread flanks. Made in Japan, this insert is the gold standard for \u003cstrong\u003eprecision machining\u003c\/strong\u003e in micro-mechanical and electronic hardware applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e11\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eI\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eInternal\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e0.5\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (mm)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eISO\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eMetric\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eTechnical Specifications: Metric vs. Imperial\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eTechnical Feature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric (ISO)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (TPI)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e0.5 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e50.8 Threads Per Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e6.35 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1\/4 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003ePitch Type\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eFull Profile 0.5ISO\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eFine Thread Specialist\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003ePitch Selection Tip:\u003c\/strong\u003e The 0.5ISO is a \"Full Profile\" insert. This means it trims the crest of the thread while cutting the root, ensuring the finished \u003cstrong\u003einternal threading\u003c\/strong\u003e meets exact ISO tolerances. This is crucial for small pitches where manual OD correction of the bore is nearly impossible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eGrade: AH725 PVD Nano-Coated Carbide\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is Tungaloy's premium micro-grain carbide with a multilayered PVD coating. It is the \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e industry favorite for \u003cstrong\u003estainless steel turning\u003c\/strong\u003e and fine threading because it maintains a sharp edge under high-heat conditions. Its superior adhesion resistance prevents the thread profile from distorting, ensuring exceptional \u003cstrong\u003etool life\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 style=\"color: #47479f;\"\u003e-B Geometry: Precision Chipbreaker (槽型)\u003c\/h3\u003e\n\u003cp\u003eIn fine-pitch \u003cstrong\u003einternal threading\u003c\/strong\u003e, chips can easily clog the hole. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e is specially designed to break even the smallest chips, keeping the bore clear for the next pass. This is vital for \u003cstrong\u003eprecision machining\u003c\/strong\u003e in automated \u003cstrong\u003eCNC milling\u003c\/strong\u003e centers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479f; color: white; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 60 - 120 m\/min (195 - 395 SFM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth:\u003c\/strong\u003e 0.31 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 4 - 8 passes (Recommended for 0.5 pitch)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: For 0.5mm pitch, use high-RPM and ensure minimal tool overhang to prevent vibration.*\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Perfect for M3 threads\"\u003c\/strong\u003e - \u003cem\u003eYuto S., Japan\u003c\/em\u003e\u003cbr\u003e\"Very stable and sharp. The 0.5 pitch is perfect every time on our Swiss-type lathes.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Best for Medical Parts\"\u003c\/strong\u003e - \u003cem\u003eDavid L., USA\u003c\/em\u003e\u003cbr\u003e\"We use AH725 for small stainless components. The tool life is incredible for such a fine pitch.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Great Chip Evacuation\"\u003c\/strong\u003e - \u003cem\u003eHans B., Germany\u003c\/em\u003e\u003cbr\u003e\"The -B geometry really helps in deep holes. No more clogged threads.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Fast Delivery \u0026amp; Original\"\u003c\/strong\u003e - \u003cem\u003eMarco V., Italy\u003c\/em\u003e\u003cbr\u003e\"Genuine Tungaloy inserts. Mirror finish on the threads. Very happy with the performance.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Solid Value\"\u003c\/strong\u003e - \u003cem\u003eArthur G., UK\u003c\/em\u003e\u003cbr\u003e\"Consistent results. These micro-inserts are much more durable than the cheaper alternatives we tried.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 25px;\"\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Which boring bar does this insert fit?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: It fits any standard internal threading holder with an 11-size (1\/4\" IC) pocket, such as the **SNR0008K11** or **SNR0010K11**.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Is this suitable for heat-resistant alloys?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: Absolutely. The **AH725** grade is specifically designed for S-class materials including Inconel and Titanium.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Can I cut 0.5mm TPI threads with this?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: This is a **0.5 ISO Metric** profile (60°). If your TPI thread is 60° and the pitch matches 50.8 TPI, it may work, but it is optimized for Metric standards.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n\u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Material Comparison\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor \u003cstrong\u003einternal threading\u003c\/strong\u003e, PVD grades like **AH725** are superior to CVD grades because they maintain a sharper edge profile. For a fine 0.5mm pitch, edge sharpness is the #1 factor in preventing thread \"burring\" and ensuring a smooth assembly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43141345083564,"sku":"11IR 0.5ISO-B AH725","price":93.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_11IR_0.5ISO-B_AH725_Internal_Threading_Carbide_Insert_for_M3_M4_0.5mm_Pitch_ISO_Metric_Fine_Threads.jpg?v=1773384860"},{"product_id":"tungaloy-11ir-1-0iso-b-ah725-internal-threading-carbide-insert","title":"Tungaloy 11IR 1.0ISO-B AH725 Internal Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003e\u003cspan style=\"color: rgb(243, 226, 226);\"\u003eTUNGALOY 11IR 1.0ISO-B AH725\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eMetric Internal Specialist | 1.0mm Pitch | AH725 Nano-PVD Coating\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy 11IR 1.0ISO-B AH725\u003c\/strong\u003e is a high-precision \u003cstrong\u003einternal threading insert\u003c\/strong\u003e designed for 1.0mm pitch ISO metric threads, a standard for M6 and M7 industrial fasteners. This \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e features Tungaloy's premium \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e grade, renowned for its exceptional balance of wear resistance and toughness during \u003cstrong\u003eCNC machining\u003c\/strong\u003e. The specialized \"-B\" chipbreaker geometry is engineered for internal applications, ensuring effective chip curling to protect the finished thread surface. For \u003cstrong\u003eprecision machining\u003c\/strong\u003e in stainless steel, carbon steel, and heat-resistant alloys, this Japan-made tool offers world-class reliability and surface finish quality.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e11\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eI\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eInternal\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e1.0\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (mm)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eISO\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eStandard\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eTechnical Specifications: Metric vs. Imperial\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eTechnical Feature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric (ISO)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (TPI)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e25.4 Threads Per Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e6.35 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1\/4 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eApplication\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eInternal M6 x 1.0\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eFine Thread equivalent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003ePitch Selection Guidance:\u003c\/strong\u003e The 1.0ISO is a \u003cstrong\u003eFull Profile\u003c\/strong\u003e insert. This ensures the insert forms the complete thread—crest, root, and flank—in one operation. This is critical for maintaining the correct minor diameter in \u003cstrong\u003einternal threading\u003c\/strong\u003e, ensuring the fastener fits perfectly without manual adjustments to the pre-drilled hole size.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eMaterial: AH725 PVD High-Toughness Carbide\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is Tungaloy's specialized PVD coating over a micro-grain carbide substrate. This \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e industry favorite is optimized for \u003cstrong\u003estainless steel turning\u003c\/strong\u003e and threading. Its unique coating architecture provides extreme resistance to thermal cracking and notch wear, significantly extending \u003cstrong\u003etool life\u003c\/strong\u003e even in high-speed applications.\u003c\/p\u003e\n\u003ch3 style=\"color: #47479f;\"\u003e-B Geometry: Internal Chip Control Specialist\u003c\/h3\u003e\n\u003cp\u003eIn \u003cstrong\u003einternal threading\u003c\/strong\u003e, chip evacuation is the primary challenge. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e (槽型) is engineered with a specific rake angle and chip pocket that forces chips to curl tightly. This prevents chips from being crushed against the finished thread, a vital requirement for \u003cstrong\u003eprecision machining\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479f; color: white; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 80 - 160 m\/min (260 - 520 SFM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth (ap):\u003c\/strong\u003e 0.61 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 6 - 10 passes (Recommended for 1.0 pitch)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: For 1.0mm pitch internal threads, always use a rigid boring bar with the shortest possible overhang to maintain profile accuracy.*\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Perfect for M6 Production\"\u003c\/strong\u003e - \u003cem\u003eStefan K., Germany\u003c\/em\u003e\u003cbr\u003e\"Very consistent 1.0 pitch. The -B chipbreaker is a lifesaver for internal work in 304 stainless.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Original Tungaloy Quality\"\u003c\/strong\u003e - \u003cem\u003eRobert K., USA\u003c\/em\u003e\u003cbr\u003e\"AH725 is incredibly tough. Tool life is significantly better than our previous supplier. Highly recommended.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Very Sharp and Stable\"\u003c\/strong\u003e - \u003cem\u003eTakumi H., Japan\u003c\/em\u003e\u003cbr\u003e\"Tungaloy original. Very clean threads. The full profile trims the crest perfectly.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Mirror Finish\"\u003c\/strong\u003e - \u003cem\u003eLuca B., Italy\u003c\/em\u003e\u003cbr\u003e\"Excellent surface quality. The chips break perfectly so they don't scratch the bore.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Top Notch Durability\"\u003c\/strong\u003e - \u003cem\u003eLiam S., UK\u003c\/em\u003e\u003cbr\u003e\"Solid performance on our CNC lathe. Fits the SNR0010 holder perfectly. Very fast shipping.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 25px;\"\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Can I use this for external threads?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: No. This is an **11IR** (Internal Right-hand). For external work, you require the **11ER** series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Which tool holder is compatible?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: It fits standard threading boring bars with an 11-size pocket (1\/4\" IC), such as the **SNR0010K11** or **SNR0012M11**.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Is AH725 good for Titanium?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: Yes! AH725 is a high-toughness PVD grade designed for steel, stainless, and difficult-to-cut superalloys like Titanium.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n\u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Grade Comparison\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor \u003cstrong\u003einternal threading\u003c\/strong\u003e, PVD grades like **AH725** are superior to CVD grades because they maintain a sharper cutting edge. This sharpness is essential to prevent thread \"tearing\" in gummy materials like 300-series stainless steel, leading to better \u003cstrong\u003etool life\u003c\/strong\u003e and profile accuracy.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43141354651820,"sku":"11IR10ISO-B AH725","price":93.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_11IR_1.0ISO-B_AH725_Internal_Threading_Carbide_Insert_for_M6_M7_1.0mm_Pitch_ISO_Metric_Internal_Threads.jpg?v=1773385017"},{"product_id":"tungaloy-11ir-1-5iso-b-ah725-internal-threading-carbide-insert","title":"Tungaloy 11IR 1.5ISO-B AH725 Internal Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\n  \u003cdiv style=\"background-color: #47479F; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n    \u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003eTUNGALOY 11IR 1.5ISO-B AH725\u003c\/h1\u003e\n    \u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eInternal ISO Metric Specialist | 1.5mm Pitch | AH725 Nano-PVD Grade\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"padding: 30px;\"\u003e\n    \u003ch2 style=\"color: #47479F; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eTungaloy 11IR 1.5ISO-B AH725\u003c\/strong\u003e is a high-performance \u003cstrong\u003einternal threading insert\u003c\/strong\u003e engineered for 1.5mm pitch ISO metric threads (the standard for M10 and M11 coarse threads). This \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e utilizes Tungaloy's signature \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e, a grade specifically optimized for high-reliability \u003cstrong\u003eCNC machining\u003c\/strong\u003e in stainless steel, carbon steel, and difficult-to-cut superalloys. The \"-B\" chipbreaker geometry is essential for \u003cstrong\u003einternal threading\u003c\/strong\u003e, where space is tight; it tightly curls chips to ensure they are easily flushed out of the bore by coolant. For \u003cstrong\u003eprecision machining\u003c\/strong\u003e where profile accuracy and surface finish are paramount, this Japanese-manufactured tool is the industry benchmark.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n    \u003ch2 style=\"color: #47479F; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n    \u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n      \u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479F; font-size: 18px;\"\u003e11\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n      \u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479F; font-size: 18px;\"\u003eI\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eInternal\u003c\/small\u003e\n\u003c\/div\u003e\n      \u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479F; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n      \u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479F; font-size: 18px;\"\u003e1.5\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (mm)\u003c\/small\u003e\n\u003c\/div\u003e\n      \u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479F; font-size: 18px;\"\u003eISO\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eMetric\u003c\/small\u003e\n\u003c\/div\u003e\n      \u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479F; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"padding: 30px;\"\u003e\n    \u003ch2 style=\"color: #47479F;\"\u003eTechnical Specifications: Metric vs. Imperial\u003c\/h2\u003e\n    \u003cdiv style=\"overflow-x: auto;\"\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n        \u003cthead\u003e\n          \u003ctr style=\"background-color: #47479F; color: white;\"\u003e\n            \u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eTechnical Feature\u003c\/th\u003e\n            \u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric (ISO)\u003c\/th\u003e\n            \u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (TPI)\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1.5 mm\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e~16.9 Threads Per Inch\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e6.35 mm\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1\/4 inch\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eApplication\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eInternal M10 x 1.5\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eFine\/Coarse specialized\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n    \u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003ePitch Selection Guidance:\u003c\/strong\u003e The 1.5ISO is a \u003cstrong\u003eFull Profile\u003c\/strong\u003e insert. This means it forms the complete 60° thread, including the root and the crest. By using a full profile tool, you ensure the thread depth and crest radius are perfectly within ISO specifications, eliminating the need to deburr or manually adjust the bore diameter after threading.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"padding: 30px;\"\u003e\n    \u003ch3 style=\"color: #47479F;\"\u003eMaterial: AH725 High-Toughness Carbide\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is Tungaloy’s premier PVD coated carbide solution. It features a micro-grain substrate that resists chipping, paired with a nano-multilayered coating for heat resistance. This \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e industry favorite is designed for \u003cstrong\u003estainless steel turning\u003c\/strong\u003e and threading, ensuring high \u003cstrong\u003etool life\u003c\/strong\u003e even in unstable or interrupted cutting conditions.\u003c\/p\u003e\n    \n    \u003ch3 style=\"color: #47479F;\"\u003e-B Geometry: Internal Chip Control\u003c\/h3\u003e\n    \u003cp\u003eIn \u003cstrong\u003einternal threading\u003c\/strong\u003e, chips often get trapped between the tool and the workpiece. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e (槽型) features a high-rake angle and an optimized chip pocket that forces chips to break small and curl away from the thread flank, protecting your \u003cstrong\u003eprecision machining\u003c\/strong\u003e results.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479F; color: white; border-radius: 12px;\"\u003e\n    \u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n    \u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n    \u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 80 - 150 m\/min (260 - 490 SFM)\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth:\u003c\/strong\u003e 0.92 mm\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 8 - 14 passes\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: For 1.5mm pitch, use a modified flank infeed (29°) to reduce tool pressure and prevent chatter in deep bores.*\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n    \u003ch2 style=\"color: #47479F; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n    \n    \u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n      \u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Standard for our M10 Parts\"\u003c\/strong\u003e - \u003cem\u003eThomas L., Germany\u003c\/em\u003e\u003cbr\u003e\n      \"Consistent 1.5mm profile and excellent tool life. The -B chipbreaker is vital for stainless work.\"\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n      \u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Great toughness in Alloy Steel\"\u003c\/strong\u003e - \u003cem\u003eHiroshi T., Japan\u003c\/em\u003e\u003cbr\u003e\n      \"AH725 handles interrupted cuts very well. Very sharp edges and mirror finish on the internal threads.\"\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n      \u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Reliable Performance\"\u003c\/strong\u003e - \u003cem\u003eMark S., USA\u003c\/em\u003e\u003cbr\u003e\n      \"Original Tungaloy. Fits my SNR holders perfectly. Fast shipping and great wholesale price.\"\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n      \u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"No more chip nesting\"\u003c\/strong\u003e - \u003cem\u003eLuca G., Italy\u003c\/em\u003e\u003cbr\u003e\n      \"The chip control is impressive. We no longer have to stop the machine to clear the bore during production.\"\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n      \u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"High Precision\"\u003c\/strong\u003e - \u003cem\u003eBen H., UK\u003c\/em\u003e\u003cbr\u003e\n      \"Cleanest threads we've seen on our CNC lathes. Definitely worth the investment for high-precision jobs.\"\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"padding: 30px;\"\u003e\n    \u003ch2 style=\"color: #47479F; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n    \u003cdiv style=\"margin-top: 25px;\"\u003e\n      \u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n        \u003cp style=\"font-weight: bold; margin: 0; color: #47479F;\"\u003eQ: Can I use this for external threads?\u003c\/p\u003e\n        \u003cp style=\"margin: 10px 0 0;\"\u003eA: No. This is an **11IR** (Internal Right). For external threading, you need the **11ER** series.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n        \u003cp style=\"font-weight: bold; margin: 0; color: #47479F;\"\u003eQ: What tool holder do I need?\u003c\/p\u003e\n        \u003cp style=\"margin: 10px 0 0;\"\u003eA: It fits any boring bar with an 11-size pocket (1\/4\" IC), such as the **SNR0010K11** or **SNR0013M11**.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n        \u003cp style=\"font-weight: bold; margin: 0; color: #47479F;\"\u003eQ: Is it suitable for Titanium?\u003c\/p\u003e\n        \u003cp style=\"margin: 0;\"\u003eA: Yes. The **AH725** grade is a high-performance PVD carbide that excels in heat-resistant superalloys like Titanium and Inconel.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"background-color: #47479F; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n    \u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Grade Selection\u003c\/h4\u003e\n    \u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor \u003cstrong\u003einternal threading\u003c\/strong\u003e, always prioritize PVD grades like **AH725** over CVD grades. PVD coatings allow for a sharper cutting edge, which reduces cutting forces and prevents the \"tearing\" of threads in gummy materials like stainless steel.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43141355569324,"sku":"11IR15ISO-B AH725","price":93.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_11IR_1.5ISO-B_AH725_Internal_Threading_Carbide_Insert_for_M10_M11_1.5mm_Pitch_ISO_Metric_Internal_Threads.jpg?v=1773385142"},{"product_id":"tungaloy-11ir-1-75iso-b-ah725-internal-threading-carbide-insert","title":"Tungaloy 11IR 1.75ISO-B AH725 Internal Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\n  \u003cdiv style=\"background-color: #47479F; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n    \u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003eTUNGALOY 11IR 1.75ISO-B AH725\u003c\/h1\u003e\n    \u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eCoarse Metric Internal Specialist | 1.75mm Pitch | AH725 Nano-PVD Coating\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"padding: 30px;\"\u003e\n    \u003ch2 style=\"color: #47479F; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eTungaloy 11IR 1.75ISO-B AH725\u003c\/strong\u003e is a high-performance \u003cstrong\u003einternal threading insert\u003c\/strong\u003e engineered for 1.75mm pitch ISO metric threads (the standard for M12 coarse threading). This \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e features the world-renowned \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e grade, providing the edge toughness and thermal resistance required for \u003cstrong\u003eCNC machining\u003c\/strong\u003e of stainless steel, carbon steel, and difficult-to-cut superalloys. The \"-B\" chipbreaker is a critical feature for internal operations, ensuring that chips are curled and evacuated to prevent damage to the finished thread profile. Made in Japan, this insert is the professional choice for \u003cstrong\u003eprecision machining\u003c\/strong\u003e in automotive and heavy machinery hardware.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n    \u003ch2 style=\"color: #47479F; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n    \u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n      \u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479F; font-size: 18px;\"\u003e11\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n      \u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479F; font-size: 18px;\"\u003eI\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eInternal\u003c\/small\u003e\n\u003c\/div\u003e\n      \u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479F; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n      \u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479F; font-size: 18px;\"\u003e1.75\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (mm)\u003c\/small\u003e\n\u003c\/div\u003e\n      \u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479F; font-size: 18px;\"\u003eISO\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eMetric\u003c\/small\u003e\n\u003c\/div\u003e\n      \u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479F; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"padding: 30px;\"\u003e\n    \u003ch2 style=\"color: #47479F;\"\u003eTechnical Specifications: Metric vs. Imperial\u003c\/h2\u003e\n    \u003cdiv style=\"overflow-x: auto;\"\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n        \u003cthead\u003e\n          \u003ctr style=\"background-color: #47479F; color: white;\"\u003e\n            \u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eTechnical Feature\u003c\/th\u003e\n            \u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric (ISO)\u003c\/th\u003e\n            \u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (TPI)\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1.75 mm\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e14.51 Threads Per Inch\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e6.35 mm\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1\/4 inch\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eApplication\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eInternal M12 x 1.75\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eCoarse equivalent\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n    \u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003ePitch Selection Guidance:\u003c\/strong\u003e The 1.75ISO is a \u003cstrong\u003eFull Profile\u003c\/strong\u003e insert. This ensures the tool forms the complete 60° thread—crest and root included. By using a full profile tool, you maintain exact minor diameter tolerances in \u003cstrong\u003einternal threading\u003c\/strong\u003e, ensuring the M12 fastener fits perfectly every time without secondary OD\/ID corrections.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"padding: 30px;\"\u003e\n    \u003ch3 style=\"color: #47479F;\"\u003eGrade: AH725 PVD Nano-Coating\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is Tungaloy's premium choice for \u003cstrong\u003estainless steel turning\u003c\/strong\u003e and threading. It combines a micro-grain carbide substrate with a high-heat resistant PVD coating. This \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e industry favorite minimizes edge chipping and reduces built-up edge, resulting in significantly extended \u003cstrong\u003etool life\u003c\/strong\u003e in automated CNC production.\u003c\/p\u003e\n    \n    \u003ch3 style=\"color: #47479F;\"\u003e-B Geometry: Optimized Chip Control (槽型)\u003c\/h3\u003e\n    \u003cp\u003eIn internal operations, chips can easily clog the hole. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e is designed to curl chips tightly and force them out of the bore. This is vital for \u003cstrong\u003eprecision machining\u003c\/strong\u003e where a clean thread flank and surface finish are required for high-load fasteners.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479F; color: white; border-radius: 12px;\"\u003e\n    \u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n    \u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n    \u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 70 - 150 m\/min (230 - 490 SFM)\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth:\u003c\/strong\u003e 1.07 mm\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 10 - 16 passes (Standard for 1.75 pitch)\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: For 1.75mm pitch internal threads, use a modified flank infeed (29°) to reduce tool pressure and avoid chatter.*\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n    \u003ch2 style=\"color: #47479F; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n    \n    \u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n      \u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Standard for M12 Jobs\"\u003c\/strong\u003e - \u003cem\u003eYuri K., Germany\u003c\/em\u003e\u003cbr\u003e\n      \"Consistent 1.75 pitch accuracy. The -B chipbreaker handles chips much better than the standard flat-top inserts.\"\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n      \u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Great life in Stainless\"\u003c\/strong\u003e - \u003cem\u003eKenji T., Japan\u003c\/em\u003e\u003cbr\u003e\n      \"AH725 is a very stable grade. Using these on 316 stainless steel with no problems and very clean thread flanks.\"\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n      \u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Reliable Tooling\"\u003c\/strong\u003e - \u003cem\u003eMark S., USA\u003c\/em\u003e\u003cbr\u003e\n      \"Original Tungaloy quality. Fits my SNR boring bars perfectly. Very fast shipping from this store.\"\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n      \u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Smooth Finish\"\u003c\/strong\u003e - \u003cem\u003eLuca M., Italy\u003c\/em\u003e\u003cbr\u003e\n      \"The mirror finish on the internal thread is impressive. The chip control prevents any scoring of the bore.\"\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n      \u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Excellent Value\"\u003c\/strong\u003e - \u003cem\u003eLiam O., Australia\u003c\/em\u003e\u003cbr\u003e\n      \"High performance and durability. Definitely saves money in the long run with fewer tool changes.\"\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"padding: 30px;\"\u003e\n    \u003ch2 style=\"color: #47479F; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n    \u003cdiv style=\"margin-top: 25px;\"\u003e\n      \u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n        \u003cp style=\"font-weight: bold; margin: 0; color: #47479F;\"\u003eQ: Which tool holder fits this insert?\u003c\/p\u003e\n        \u003cp style=\"margin: 10px 0 0;\"\u003eA: This fits any standard internal threading boring bar with an 11-size (1\/4\" IC) pocket, such as the **SNR0013M11** or **SNR0016Q11**.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n        \u003cp style=\"font-weight: bold; margin: 0; color: #47479F;\"\u003eQ: Is it suitable for Titanium?\u003c\/p\u003e\n        \u003cp style=\"margin: 10px 0 0;\"\u003eA: Yes! AH725 is a high-toughness PVD grade designed for steel, stainless, and difficult-to-cut superalloys like Titanium and Inconel.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n        \u003cp style=\"font-weight: bold; margin: 0; color: #47479F;\"\u003eQ: Can I use this for external threads?\u003c\/p\u003e\n        \u003cp style=\"margin: 0;\"\u003eA: No. This is an **11IR** (Internal Right-hand). For external threading, you need the **11ER** series.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"background-color: #47479F; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n    \u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Grade Comparison\u003c\/h4\u003e\n    \u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor \u003cstrong\u003einternal threading\u003c\/strong\u003e, PVD grades like **AH725** are superior to CVD grades because they maintain a sharper cutting edge. Sharpness is essential in internal bores to reduce radial pressure and prevent thread \"tearing,\" resulting in much better \u003cstrong\u003etool life\u003c\/strong\u003e.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43141362778284,"sku":"11IR175ISO-B AH725","price":93.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_11IR_1.75ISO-B_AH725_Internal_Threading_Carbide_Insert_for_M12_1.75mm_Pitch_ISO_Metric_Coarse_Internal_Threads.jpg?v=1773385264"},{"product_id":"tungaloy-11ir-2-0iso-b-ah725-internal-threading-carbide-insert","title":"Tungaloy 11IR 2.0ISO-B AH725 Internal Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003e\u003cspan style=\"color: rgb(251, 244, 244);\"\u003eTUNGALOY 11IR 2.0ISO-B AH725\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eInternal ISO Metric Specialist | 2.0mm Pitch | AH725 Nano-PVD Grade\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy 11IR 2.0ISO-B AH725\u003c\/strong\u003e is a high-performance \u003cstrong\u003einternal threading insert\u003c\/strong\u003e designed for 2.0mm pitch ISO metric threads, the standard for M14 and M16 coarse fasteners. This \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e features the advanced \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e grade, delivering superior edge toughness and thermal stability for high-reliability \u003cstrong\u003eCNC machining\u003c\/strong\u003e. The specialized \"-B\" chipbreaker geometry is essential for internal operations, providing aggressive chip curling to prevent \"bird-nesting\" inside the bore. Made in Japan, this insert is the professional choice for \u003cstrong\u003eprecision machining\u003c\/strong\u003e in stainless steel, carbon steel, and heat-resistant alloys.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e11\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eI\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eInternal\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e2.0\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (mm)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eISO\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eStandard\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eTechnical Specifications: Metric vs. Imperial\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eTechnical Feature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric (ISO)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (TPI)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e2.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e12.7 Threads Per Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e6.35 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1\/4 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eApplication\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eInternal M14\/M16\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eHeavy Duty Coarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003ePitch Selection Guidance:\u003c\/strong\u003e The 2.0ISO is a \u003cstrong\u003eFull Profile\u003c\/strong\u003e insert. This ensures the insert forms the complete thread—crest, root, and flank—in one cycle. This is critical for \u003cstrong\u003einternal threading\u003c\/strong\u003e, as it guarantees the correct minor diameter and profile geometry, eliminating the need for separate deburring or bore diameter adjustments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eMaterial: AH725 PVD Nano-Coating\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is Tungaloy's premium choice for \u003cstrong\u003estainless steel turning\u003c\/strong\u003e and threading. It features a micro-grain carbide substrate with a multilayered PVD coating. This \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e industry favorite provides exceptional resistance to notch wear and built-up edge, resulting in significantly extended \u003cstrong\u003etool life\u003c\/strong\u003e in tough machining environments.\u003c\/p\u003e\n\u003ch3 style=\"color: #47479f;\"\u003e-B Geometry: Advanced Chip Control (槽型)\u003c\/h3\u003e\n\u003cp\u003eEfficient chip evacuation is vital for internal work. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e forces chips to curl tightly, breaking them into manageable lengths that flush out easily. This prevents tool breakage and ensures the mirror-like surface finish required in \u003cstrong\u003eprecision machining\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479f; color: white; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 70 - 140 m\/min (230 - 460 SFM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth:\u003c\/strong\u003e 1.23 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 12 - 18 passes (Recommended for 2.0 pitch)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: For larger 2.0mm pitches, use a modified flank infeed (29°) to reduce cutting forces and prevent vibration in the boring bar.*\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Reliable for M16 Threads\"\u003c\/strong\u003e - \u003cem\u003eDieter M., Germany\u003c\/em\u003e\u003cbr\u003e\"The 2.0 pitch is perfect. The chip control inside the bore is much better than standard inserts we used before.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Tough in Stainless\"\u003c\/strong\u003e - \u003cem\u003eHiroki S., Japan\u003c\/em\u003e\u003cbr\u003e\"Using AH725 on 304 stainless steel. Excellent tool life and consistent profile accuracy. Genuine Tungaloy quality.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Great Chip Management\"\u003c\/strong\u003e - \u003cem\u003eJames R., USA\u003c\/em\u003e\u003cbr\u003e\"The -B geometry really helps. No more bird-nesting in my internal threading cycles.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Smooth Surface Finish\"\u003c\/strong\u003e - \u003cem\u003eLuigi P., Italy\u003c\/em\u003e\u003cbr\u003e\"Thread flanks are very clean. Perfect for high-pressure hydraulic fittings.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Best Wholesale Value\"\u003c\/strong\u003e - \u003cem\u003eBen W., UK\u003c\/em\u003e\u003cbr\u003e\"Fast shipping and original Japanese inserts. These last a long time on our CNC lathes.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 25px;\"\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Which boring bar should I use?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: This fits any internal threading holder with an 11-size (1\/4\" IC) pocket, such as the **SNR0013M11** or **SNR0016Q11**.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Can I cut external threads with this?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: No. This is an **11IR** (Internal Right-hand). For external work, you require the **11ER** series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Is AH725 suitable for Titanium alloys?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: Yes! AH725 is a high-toughness PVD grade designed for steel, stainless, and heat-resistant superalloys like Titanium and Inconel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n\u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Grade Selection\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor \u003cstrong\u003einternal threading\u003c\/strong\u003e, PVD grades like **AH725** are superior to CVD grades because they maintain a sharper cutting edge. This sharpness is essential in internal bores to reduce radial cutting force and prevent thread \"tearing,\" leading to much better \u003cstrong\u003etool life\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43141364318380,"sku":"11IR20ISO-B AH725","price":93.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_11IR_2.0ISO-B_AH725_Internal_Threading_Carbide_Insert_for_M14_M16_2.0mm_Pitch_ISO_Metric_Coarse_Internal_Threads.jpg?v=1773386195"},{"product_id":"11ira60-b","title":"Threading Inserts 11IRA60-B AH725 (10pcs) - High-Performance Internal Threading for Steel and Stainless Steel","description":"\u003ch4\u003eProduct Description\u003c\/h4\u003e\n\u003cp\u003eEnhance your threading operations with the Threading Inserts 11IRA60-B AH725. These high-quality, coated carbide inserts are designed for internal threading with a side length of 11 mm. The AH725 grade offers a balanced combination of wear and chipping resistance, making it suitable for machining steel and stainless steel under general cutting conditions. Ideal for ISO metric threading, these full-profile inserts come with a chipbreaker for efficient material removal and smoother operations. This pack of 10 ensures you have the reliable tools necessary for precise and efficient threading tasks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Performance Coating:\u003c\/strong\u003e AH725 grade with a TiAlN coating, offering excellent wear and chipping resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Application:\u003c\/strong\u003e Suitable for machining steel and stainless steel under general cutting conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Metric Threading:\u003c\/strong\u003e Designed for ISO metric threading with full-profile inserts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChipbreaker:\u003c\/strong\u003e Equipped with a chipbreaker for efficient material removal and smoother operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Ensures long-lasting performance and reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 11IRA60-B AH725\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade:\u003c\/strong\u003e AH725\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating Composition:\u003c\/strong\u003e (Ti, Al)N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating Thickness:\u003c\/strong\u003e 2μm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSide Length:\u003c\/strong\u003e 11 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e ød: 6.35 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e t: 0.9 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius:\u003c\/strong\u003e R3: 0.7 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNose Radius:\u003c\/strong\u003e rε: 0.04 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-quality coated carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 10 pieces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e General purpose ISO metric threading, suitable for machining steel and stainless steel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your threading performance with the Threading Inserts 11IRA60-B AH725. Engineered for high wear and chipping resistance, these inserts are essential for precise and efficient internal threading operations on steel and stainless steel.\u003c\/p\u003e\n\u003ch4\u003eMeta Description\u003c\/h4\u003e\n\u003cp\u003eShop the Threading Inserts 11IRA60-B AH725 (10pcs), high-quality coated carbide inserts with excellent wear and chipping resistance for internal threading of steel and stainless steel. Full-profile insert with chipbreaker for efficient operations.\u003c\/p\u003e\n\u003ch3\u003eH1, H2, H3 Tags\u003c\/h3\u003e\n\u003ch4\u003eH1 Tag\u003c\/h4\u003e\n\u003ch1\u003eThreading Inserts 11IRA60-B AH725 (10pcs)\u003c\/h1\u003e\n\u003ch4\u003eH2 Tags\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch2\u003eKey Features of Threading Inserts 11IRA60-B AH725\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eSpecifications of 11IRA60-B AH725\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eBenefits of Using Our High-Quality Threading Inserts\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eH3 Tags\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch3\u003eHigh-Performance Coating for Enhanced Durability\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eVersatile Application for Machining Steel and Stainless Steel\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eISO Metric Threading with Full-Profile Inserts\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eEfficient Material Removal with Chipbreaker\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eBalanced Wear and Chipping Resistance\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"11 IR A 60 B\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"11IRA60-B\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\"\u003e\u003c\/div\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43141375131820,"sku":"11IRA60-B AH725","price":62.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/11IRA60-B-AH725-10pcs_36407476093100.jpg?v=1718337263"},{"product_id":"tungaloy-16er-0-75iso-b-ah725-external-threading-carbide-insert","title":"Tungaloy 16ER 0.75ISO-B AH725 External Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003e\u003cspan style=\"color: rgb(250, 239, 239);\"\u003eTUNGALOY 16ER 0.75ISO-B AH725\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eExternal ISO Metric Fine Specialist | 0.75mm Pitch | AH725 Nano-PVD Grade\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy 16ER 0.75ISO-B AH725\u003c\/strong\u003e is a premium \u003cstrong\u003eexternal threading insert\u003c\/strong\u003e specifically designed for 0.75mm pitch ISO metric fine threads. This \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e utilizes Tungaloy's world-class \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e, a grade engineered to withstand the high thermal and mechanical stresses of \u003cstrong\u003eCNC machining\u003c\/strong\u003e in stainless steel, alloy steel, and heat-resistant superalloys. The \"-B\" chipbreaker geometry ensures superior chip control, preventing long, stringy chips from marring the workpiece surface. Manufactured in Japan, this tool is the definitive choice for \u003cstrong\u003eprecision machining\u003c\/strong\u003e where thread integrity and surface finish are critical.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e16\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eE\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eExternal\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e0.75\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (mm)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eISO\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eMetric\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eTechnical Specifications: Metric vs. Imperial\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eTechnical Feature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric (ISO)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (TPI)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e0.75 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e~33.8 Threads Per Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e9.525 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e3\/8 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eApplication\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eM4.5 - M5 Fine Threads\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eHigh Precision Fine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003ePitch Selection Guidance:\u003c\/strong\u003e The 0.75ISO is a \u003cstrong\u003eFull Profile\u003c\/strong\u003e insert. Unlike partial profile tools, it cuts the crest and the root simultaneously, ensuring the thread height is perfect without secondary sizing operations. This is vital for \u003cstrong\u003eexternal threading\u003c\/strong\u003e on high-precision fasteners where a perfect 60° profile is mandatory.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eMaterial: AH725 PVD High-Toughness Carbide\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is a fusion of a high-toughness carbide substrate and a thin, smooth PVD nano-coating. This \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e industry favorite is optimized for \u003cstrong\u003estainless steel turning\u003c\/strong\u003e and threading. It prevents the built-up edge (BUE) common in gummy materials, significantly extending \u003cstrong\u003etool life\u003c\/strong\u003e and ensuring dimensional stability over long production runs.\u003c\/p\u003e\n\u003ch3 style=\"color: #47479f;\"\u003e-B Geometry: Optimized Chipbreaker (槽型)\u003c\/h3\u003e\n\u003cp\u003eExternal threading can produce \"bird-nest\" chips that wrap around the workpiece. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e geometry forces the chip to curl tightly and break away, protecting the surface finish and allowing for unmanned \u003cstrong\u003eCNC machining\u003c\/strong\u003e cycles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479f; color: white; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 90 - 180 m\/min (295 - 590 SFM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth:\u003c\/strong\u003e 0.46 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 6 - 10 passes (Recommended for 0.75 pitch)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: For fine pitches, ensure the spindle speed is high enough to maintain the recommended Vc for the best surface finish.*\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Perfect Fine Pitch Threads\"\u003c\/strong\u003e - \u003cem\u003eYuto K., Japan\u003c\/em\u003e\u003cbr\u003e\"Very clean 0.75 pitch results on our CNC lathes. Tungaloy quality is always consistent.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Outstanding in 316 Stainless\"\u003c\/strong\u003e - \u003cem\u003eMarkus H., Germany\u003c\/em\u003e\u003cbr\u003e\"AH725 grade is excellent. We get double the tool life compared to cheaper alternatives in stainless steel.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Great Chip Control\"\u003c\/strong\u003e - \u003cem\u003eSarah J., USA\u003c\/em\u003e\u003cbr\u003e\"The -B chipbreaker really helps. No more stopping the machine to clear chips from the tool post.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Original Quality\"\u003c\/strong\u003e - \u003cem\u003eAlessandro R., Italy\u003c\/em\u003e\u003cbr\u003e\"Genuine Japanese product. The thread flanks are smooth as a mirror. Very happy.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Reliable and Fast\"\u003c\/strong\u003e - \u003cem\u003eBen T., UK\u003c\/em\u003e\u003cbr\u003e\"Using these for M5x0.75 fine threads. Fits our standard SER holders perfectly.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 25px;\"\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Can I use this for internal threading?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: No. This is an **ER** (External Right) insert. For internal threads, you need the **IR** series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Does this fit my SER 2020K16 holder?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: Yes! It fits all standard threading tool holders with a size 16 pocket (3\/8\" IC).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Is this suitable for Titanium alloys?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: Yes. The AH725 grade is highly versatile and works exceptionally well in superalloys and aerospace-grade materials.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n\u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Grade Selection\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor \u003cstrong\u003eexternal threading\u003c\/strong\u003e, PVD grades like **AH725** are preferred over CVD because they maintain a sharper edge profile. This prevents thread tearing in gummy metals, leading to superior accuracy and significantly longer \u003cstrong\u003etool life\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43141376147628,"sku":"16ER 0.75ISO-B AH725","price":94.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_16ER_0.75ISO-B_AH725_External_Threading_Carbide_Insert_for_M4.5_M5_0.75mm_Pitch_ISO_Metric_Fine_Threads.jpg?v=1773387380"},{"product_id":"tungaloy-16er-1-25iso-b-ah725-external-threading-carbide-insert","title":"Tungaloy 16ER 1.25ISO-B AH725 External Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eTUNGALOY 16ER 1.25ISO-B AH725\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eExternal ISO Metric Specialist | 1.25mm Pitch | AH725 Nano-PVD Coating\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy 16ER 1.25ISO-B AH725\u003c\/strong\u003e is a high-precision \u003cstrong\u003eexternal threading insert\u003c\/strong\u003e engineered for 1.25mm pitch ISO metric threads, the standard for M8 and M9 fasteners. This \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e utilizes the world-renowned \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e grade, providing the edge toughness and thermal stability required for intensive \u003cstrong\u003eCNC machining\u003c\/strong\u003e of stainless steel, carbon steel, and high-temp alloys. The \"-B\" chipbreaker is a specialized feature that ensures tight chip curling, preventing surface damage and ensuring a mirror-like finish. Made in Japan, this insert is the gold standard for \u003cstrong\u003eprecision machining\u003c\/strong\u003e in automotive and aerospace applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e16\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eE\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eExternal\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e1.25\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (mm)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eISO\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eMetric\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eTechnical Specifications: Metric vs. Imperial\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric (ISO)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (TPI)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1.25 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e20.32 Threads Per Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e9.525 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e3\/8 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eStandard Fastener\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eM8 x 1.25 Coarse\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eEquivalent to 20 TPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003ePitch Selection Tip:\u003c\/strong\u003e The 1.25ISO is a \"Full Profile\" insert. It trims the crest of the thread precisely while cutting the root, ensuring the finished \u003cstrong\u003eexternal threading\u003c\/strong\u003e meets exact ISO tolerances. This eliminates the need for post-machining deburring or diameter sizing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eGrade: AH725 PVD Nano-Coated Carbide\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is a premium PVD coated micro-grain carbide. This \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e industry favorite is designed for \u003cstrong\u003estainless steel turning\u003c\/strong\u003e and threading. Its smooth coating prevents the built-up edge (BUE) often seen in gummy materials, drastically increasing \u003cstrong\u003etool life\u003c\/strong\u003e and maintaining sharp cutting edges for thousands of passes.\u003c\/p\u003e\n\u003ch3 style=\"color: #47479f;\"\u003e-B Geometry: Precision Chipbreaker (槽型)\u003c\/h3\u003e\n\u003cp\u003eIn \u003cstrong\u003eexternal threading\u003c\/strong\u003e, chip control is vital for operator safety and surface finish. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e geometry curls chips away from the tool post and workpiece, preventing the \"bird-nesting\" effect that can ruin high-value components.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479f; color: white; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 80 - 180 m\/min (260 - 590 SFM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth:\u003c\/strong\u003e 0.77 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 6 - 12 passes (Standard for 1.25 pitch)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: For 1.25mm pitch, use a constant volume infeed method for the most consistent tool wear results.*\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Perfect for M8 fasteners\"\u003c\/strong\u003e - \u003cem\u003eHans W., Germany\u003c\/em\u003e\u003cbr\u003e\"Very stable and sharp. The AH725 grade handles 304 stainless steel with zero chipping.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Best Surface Finish\"\u003c\/strong\u003e - \u003cem\u003eYuki M., Japan\u003c\/em\u003e\u003cbr\u003e\"Thread quality is mirror-like. Tungaloy original quality is worth every penny for production jobs.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Great Chip Evacuation\"\u003c\/strong\u003e - \u003cem\u003eDavid R., USA\u003c\/em\u003e\u003cbr\u003e\"The -B chipbreaker works wonders. No more stringy chips wrapping around the spindle.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Highly Recommend\"\u003c\/strong\u003e - \u003cem\u003eMarco S., Italy\u003c\/em\u003e\u003cbr\u003e\"Consistent results. Fast shipping and the inserts were clearly genuine and well-packaged.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Solid Performance\"\u003c\/strong\u003e - \u003cem\u003eArthur L., UK\u003c\/em\u003e\u003cbr\u003e\"Using these for high-tensile steel bolts. They hold up much better than the standard non-chipbreaker versions.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 25px;\"\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Which tool holder does this insert fit?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: It fits all standard **SER** external threading holders with a size 16 pocket, such as the **SER2020K16** or **SER2525M16**.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Is this suitable for heat-resistant alloys?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: Yes. The **AH725** grade is specifically designed for Titanium, Inconel, and various types of Stainless Steel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Can I use this for internal threading?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: No. This is an **ER** (External Right-hand) insert. For internal threads, you would need the **IR** series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n\u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Material Comparison\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor \u003cstrong\u003eexternal threading\u003c\/strong\u003e, PVD grades like **AH725** are preferred for their ability to maintain a sharp edge under high-speed conditions. This prevents \"tearing\" of the thread profile in softer materials while providing the hardness needed for high-strength alloys, leading to superior \u003cstrong\u003etool life\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43141376901292,"sku":"16ER 1.25ISO-B AH725","price":94.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_16ER_1.25ISO-B_AH725_External_Threading_Carbide_Insert_for_M8_M9_1.25mm_Pitch_ISO_Metric_Threads.jpg?v=1773387528"},{"product_id":"tungaloy-16er-1-75iso-b-ah725-external-threading-carbide-insert","title":"Tungaloy 16ER 1.75ISO-B AH725 External Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eTUNGALOY 16ER 1.75ISO-B AH725\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eExternal ISO Metric Specialist | 1.75mm Pitch | AH725 Nano-PVD Coating\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy 16ER 1.75ISO-B AH725\u003c\/strong\u003e is a high-performance \u003cstrong\u003eexternal threading insert\u003c\/strong\u003e specifically engineered for 1.75mm pitch ISO metric threads (the standard for M12 coarse threading). Utilizing Tungaloy's premium \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e, this \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e offers an exceptional balance of wear resistance and edge toughness for \u003cstrong\u003eCNC machining\u003c\/strong\u003e. The specialized \"-B\" chipbreaker geometry is designed to manage chip flow during \u003cstrong\u003eexternal threading\u003c\/strong\u003e, preventing \"bird-nesting\" and ensuring a superior surface finish. Manufactured in Japan, this insert is the professional choice for \u003cstrong\u003eprecision machining\u003c\/strong\u003e in steel, stainless steel, and high-temp alloys.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e16\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eE\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eExternal\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e1.75\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (mm)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eISO\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eMetric\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eTechnical Specifications: Metric vs. Imperial\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eTechnical Feature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric (ISO)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (TPI)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1.75 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e14.51 Threads Per Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e9.525 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e3\/8 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eFastener Fit\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eM12 x 1.75 Coarse\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eStandard 14 TPI Gear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003ePitch Selection Guidance:\u003c\/strong\u003e The 1.75ISO is a \u003cstrong\u003eFull Profile\u003c\/strong\u003e insert. Unlike partial profile tools that require manual depth adjustments, this insert forms the complete 60° thread—crest and root—in one operation. This ensures the thread height is perfect every time, which is vital for the load-bearing integrity of M12 bolts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eMaterial: AH725 PVD High-Stability Carbide\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is Tungaloy's premium solution for \u003cstrong\u003estainless steel turning\u003c\/strong\u003e and threading. It features a micro-grain substrate that resists chipping, paired with a nano-multilayered PVD coating for extreme heat resistance. This \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e industry favorite ensures consistent \u003cstrong\u003etool life\u003c\/strong\u003e and high surface quality even when machining interrupted cuts or tough alloy steels.\u003c\/p\u003e\n\u003ch3 style=\"color: #47479f;\"\u003e-B Geometry: External Chip Control (槽型)\u003c\/h3\u003e\n\u003cp\u003eHigh-speed \u003cstrong\u003eexternal threading\u003c\/strong\u003e often produces long, dangerous chips. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e geometry is engineered to curl the chip tightly, breaking it into manageable pieces that fall away from the workpiece. This protects the thread flanks from scratching and allows for safer automated production.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479f; color: white; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 80 - 160 m\/min (260 - 520 SFM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth (ap):\u003c\/strong\u003e 1.07 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 8 - 14 passes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: For 1.75mm pitch threads, use a modified flank infeed (29°) to reduce tool pressure and prevent chatter.*\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Standard for our M12 bolts\"\u003c\/strong\u003e - \u003cem\u003eYuri V., Germany\u003c\/em\u003e\u003cbr\u003e\"Very stable and predictable tool life. The 1.75 pitch is spot on every time.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Great toughness\"\u003c\/strong\u003e - \u003cem\u003eKenji O., Japan\u003c\/em\u003e\u003cbr\u003e\"AH725 handles interrupted cuts on alloy steel better than any other brand we've tried. Genuine quality.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Chips break perfectly\"\u003c\/strong\u003e - \u003cem\u003eMark T., USA\u003c\/em\u003e\u003cbr\u003e\"The -B chipbreaker really does make a difference in external work. Clean threads, no bird-nesting.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Mirror Finish\"\u003c\/strong\u003e - \u003cem\u003eLuca B., Italy\u003c\/em\u003e\u003cbr\u003e\"The surface quality on the thread flanks is incredible. Very happy with the purchase.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Reliable Tooling\"\u003c\/strong\u003e - \u003cem\u003eSarah L., UK\u003c\/em\u003e\u003cbr\u003e\"Consistent results over hundreds of parts. Fits our SER 2020K16 holders perfectly.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 25px;\"\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Which tool holder does this fit?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: It fits all standard **SER** external threading holders with a size 16 pocket (3\/8\" IC), such as the **SER2020K16** or **SER2525M16**.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Is AH725 good for Titanium?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: Yes! AH725 is a high-toughness PVD grade designed for steel, stainless, and heat-resistant superalloys like Titanium.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Can I use this for internal threading?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: No. This is an **ER** (External Right-hand) insert. For internal threads, you need the **IR** series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n\u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Grade Selection\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor \u003cstrong\u003eexternal threading\u003c\/strong\u003e, PVD grades like **AH725** are superior to CVD grades because they maintain a sharper cutting edge. This sharpness is essential to prevent \"tearing\" the thread profile in softer materials, leading to superior accuracy and longer \u003cstrong\u003etool life\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43141380473004,"sku":"16ER 1.75ISO-B AH725","price":94.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_16ER_1.75ISO-B_AH725_External_Threading_Carbide_Insert_for_M12_1.75mm_Pitch_ISO_Metric_Coarse_Threads.jpg?v=1773387638"},{"product_id":"tungaloy-16er-11w-b-ah725-external-whitworth-threading-carbide-insert","title":"Tungaloy 16ER 11W-B AH725 External Whitworth Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eTUNGALOY 16ER 11W-B AH725\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eExternal 55° Whitworth Specialist | 11 TPI | AH725 Nano-PVD Grade\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy 16ER 11W-B AH725\u003c\/strong\u003e is a premium \u003cstrong\u003eexternal threading insert\u003c\/strong\u003e designed for the 55° Whitworth thread standard. With a pitch of 11 Threads Per Inch (TPI), it is the go-to solution for G-series (BSPP) pipe threads ranging from 5\/8\" to 7\/8\". This \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e utilizes Tungaloy's world-class \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e, providing the exceptional toughness needed for \u003cstrong\u003eCNC machining\u003c\/strong\u003e of high-tensile steels and stainless steel. The integrated \"-B\" chipbreaker geometry ensures superior chip control, preventing the long stringy chips typically associated with pipe threading, thereby protecting your workpiece and enhancing \u003cstrong\u003etool life\u003c\/strong\u003e. Made in Japan, this insert is the benchmark for \u003cstrong\u003eprecision machining\u003c\/strong\u003e in plumbing, hydraulic, and oil \u0026amp; gas applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e16\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eE\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eExternal\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e11\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (TPI)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eW\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eWhitworth\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eUnderstanding the 11W Pitch Selection\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e11W\u003c\/strong\u003e designation refers to 11 threads per inch under the Whitworth (BSW\/BSPP) standard, which features a 55-degree included angle and rounded crests\/roots. This is a \u003cstrong\u003eFull Profile\u003c\/strong\u003e insert, meaning it cuts the entire thread form in one cycle. This guarantees that your pipe fittings will meet pressure-tight requirements without needing secondary adjustments to the major diameter.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (Whitworth)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric Equivalent\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e11 TPI\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e2.309 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Angle\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e55 Degrees\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eN\/A (Metric is 60°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eStandard Sizes\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eG 5\/8\", G 3\/4\", G 7\/8\"\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e~16mm to 22mm BSW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eMaterial: AH725 High-Performance Carbide\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is a specialized PVD-coated micro-grain carbide. This \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e industry favorite is designed for versatility. It provides a sharp cutting edge for \u003cstrong\u003estainless steel turning\u003c\/strong\u003e while maintaining the structural integrity required for heavy carbon steel threading. Its high resistance to thermal cracking makes it ideal for \u003cstrong\u003eprecision machining\u003c\/strong\u003e with or without coolant.\u003c\/p\u003e\n\u003ch3 style=\"color: #47479f;\"\u003e-B Geometry: Precision Chip Management (槽型)\u003c\/h3\u003e\n\u003cp\u003ePipe threading often produces continuous chips that can wrap around the tool. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e geometry forces the chip to curl and break into small \"C\" shapes. This is critical for automated \u003cstrong\u003eCNC machining\u003c\/strong\u003e, as it allows for unmanned operation and prevents surface damage to the threads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479f; color: white; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 80 - 160 m\/min (260 - 525 SFM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth:\u003c\/strong\u003e 1.48 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 10 - 18 passes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: For 11 TPI, use a radial infeed or a slightly modified flank infeed (27°) for the best balance between surface finish and tool life.*\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Perfect for BSPP pipe fittings\"\u003c\/strong\u003e - \u003cem\u003eGeorge H., UK\u003c\/em\u003e\u003cbr\u003e\"Consistent 11 TPI threads. The AH725 grade is incredibly tough when working with 316 stainless.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Best chip control I've seen\"\u003c\/strong\u003e - \u003cem\u003eTakahiro M., Japan\u003c\/em\u003e\u003cbr\u003e\"The -B chipbreaker saves me a lot of time. No more bird-nesting on the lathe. Genuine Tungaloy quality.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Durable and Sharp\"\u003c\/strong\u003e - \u003cem\u003eFrank S., USA\u003c\/em\u003e\u003cbr\u003e\"Used these for a large run of 3\/4\" BSW bolts. The finish was perfect even after 100 parts. Fits my SER holder perfectly.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"High Accuracy\"\u003c\/strong\u003e - \u003cem\u003eMarco B., Italy\u003c\/em\u003e\u003cbr\u003e\"Full profile is the only way to go for pipe threads. Guaranteed tight fit every time. Fast shipping too.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Reliable Tool Life\"\u003c\/strong\u003e - \u003cem\u003eLiam O., Australia\u003c\/em\u003e\u003cbr\u003e\"Very predictable wear. Great for CNC production. These inserts handle the high pressures of 11 TPI threading easily.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 25px;\"\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Which tool holder does this insert fit?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: It fits any external threading holder with a size 16 (3\/8\" IC) pocket, such as the **SER2020K16** or **SER2525M16**.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Can I use this for internal pipe threads?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: No. This is an **ER** (External Right) insert. For internal Whitworth threads, you need the **16IR 11W** series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Is AH725 better than AH710 for stainless steel?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: AH725 is generally more versatile and offers better toughness for interrupted cuts or varying stainless grades.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n\u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Grade Advantage\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor \u003cstrong\u003eexternal threading\u003c\/strong\u003e of Whitworth profiles, PVD grades like **AH725** are superior to CVD because they maintain a sharper cutting edge. This sharpness is essential to properly form the rounded crests and roots of the 55° profile, reducing \"tearing\" and improving \u003cstrong\u003etool life\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43141396857004,"sku":"16ER 11W-B AH725","price":94.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_16ER_11W-B_AH725_External_Whitworth_Threading_Carbide_Insert_for_G5_8-G7_8_11_TPI_Pipe_Threads.jpg?v=1773389767"},{"product_id":"tungaloy-16er-14w-b-ah725-external-whitworth-threading-carbide-insert","title":"Tungaloy 16ER 14W-B AH725 External Whitworth Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eTUNGALOY 16ER 14W-B AH725\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eExternal 55° Whitworth Specialist | 14 TPI | AH725 Nano-PVD Grade\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy 16ER 14W-B AH725\u003c\/strong\u003e is a high-precision \u003cstrong\u003eexternal threading insert\u003c\/strong\u003e specifically engineered for the 55° Whitworth thread standard. Featuring a pitch of 14 Threads Per Inch (TPI), this insert is the industrial standard for G1\/2\" through G7\/8\" pipe threads (BSPP\/BSW). This \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e utilizes the premium \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e grade, renowned for its exceptional edge toughness and thermal resistance during \u003cstrong\u003eCNC machining\u003c\/strong\u003e. The \"-B\" chipbreaker geometry is a critical feature that prevents the long, stringy chips common in threading, ensuring a clean workspace and superior \u003cstrong\u003etool life\u003c\/strong\u003e. Made in Japan, this tool is optimized for \u003cstrong\u003eprecision machining\u003c\/strong\u003e in stainless steel, carbon steel, and alloy steels.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e16\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eE\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eExternal\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e14\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (TPI)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eW\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eWhitworth\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eWhitworth Pitch Selection: 14 TPI\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e14W\u003c\/strong\u003e designation identifies this as a 14 threads per inch Whitworth form. Unlike metric 60° threads, the Whitworth standard uses a 55° angle with rounded roots and crests. This is a \u003cstrong\u003eFull Profile\u003c\/strong\u003e insert, meaning it finishes the entire thread form, including the outer diameter. This is vital for pressure-tight seals in \u003cstrong\u003eexternal threading\u003c\/strong\u003e applications.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eTechnical Feature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (Whitworth)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric Equivalent\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e14 TPI\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1.814 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e3\/8 inch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e9.525 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eCommon Sizes\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eG 1\/2\", G 5\/8\", G 3\/4\"\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eBSW 7\/16\" - 1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eMaterial: AH725 PVD High-Grade Carbide\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is Tungaloy's most versatile PVD coating for threading and \u003cstrong\u003estainless steel turning\u003c\/strong\u003e. It combines a micro-grain substrate for impact resistance with a multilayered PVD coating for heat protection. This \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e favorite ensures that whether you are cutting high-carbon steel or gummy stainless, the tool maintains a sharp edge and consistent performance.\u003c\/p\u003e\n\u003ch3 style=\"color: #47479f;\"\u003e-B Geometry: External Chipbreaker ()\u003c\/h3\u003e\n\u003cp\u003eEffective chip control is the backbone of automated production. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e on the 16ER 14W-B is specifically designed to curl and snap chips away from the workpiece. This eliminates the risk of \"bird-nesting\" which can cause catastrophic tool failure or surface finish degradation in \u003cstrong\u003eprecision machining\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479f; color: white; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 90 - 180 m\/min (295 - 590 SFM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth:\u003c\/strong\u003e 1.16 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 8 - 14 passes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: For Whitworth threads, using a radial infeed or a slightly modified flank infeed (27°) helps maintain the integrity of the 55° profile.*\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Perfect for BSPP pipe work\"\u003c\/strong\u003e - \u003cem\u003eJames D., UK\u003c\/em\u003e\u003cbr\u003e\"Very consistent 14 TPI results. The AH725 grade is durable and the finish on the stainless fittings is excellent.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Great Chip Control\"\u003c\/strong\u003e - \u003cem\u003eHiro M., Japan\u003c\/em\u003e\u003cbr\u003e\"The -B chipbreaker works exactly as advertised. Small chips, no nesting. Authentic Tungaloy quality.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Tough and Reliable\"\u003c\/strong\u003e - \u003cem\u003eRobert K., Canada\u003c\/em\u003e\u003cbr\u003e\"Handles 1045 steel easily. The edge stays sharp for a long time. Fits my SER holder perfectly.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Mirror Finish\"\u003c\/strong\u003e - \u003cem\u003eLuca P., Italy\u003c\/em\u003e\u003cbr\u003e\"The surface finish on the threads is top-tier. Highly recommend for any shop doing precision hydraulic parts.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Fast shipping, great tool\"\u003c\/strong\u003e - \u003cem\u003eArjun V., UAE\u003c\/em\u003e\u003cbr\u003e\"Genuine product. The full profile makes setup much faster. 14 TPI is spot on every time.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 25px;\"\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Which tool holder does this fit?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: It fits any standard **SER** external threading holder with a size 16 (3\/8\" IC) pocket.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Can I use this for internal threads?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: No. This is an **ER** (External Right) insert. For internal Whitworth 14 TPI, you need the **16IR 14W** series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Is AH725 good for Titanium?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: Yes! AH725 is a high-toughness PVD grade that performs well in stainless, Titanium, and other superalloys.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n\u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Grade Advantage\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor \u003cstrong\u003eexternal threading\u003c\/strong\u003e, PVD grades like **AH725** are preferred over CVD because they maintain a sharper cutting edge. This sharpness is essential to properly form the 55° Whitworth profile without tearing the material, resulting in a superior seal and longer \u003cstrong\u003etool life\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43141397610668,"sku":"16ER 14W-B AH725","price":94.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_16ER_14W-B_AH725_External_Whitworth_Threading_Carbide_Insert_for_G1_2-G7_8_14_TPI_Pipe_Threads.jpg?v=1773390151"},{"product_id":"18nptb-ah725","title":"16ER 18NPT-B AH725 (10pcs)","description":"\u003cp\u003e\u003cstrong\u003eInternal insert  Coated ：AH725  Designation: 16ER 18NPT-B AH725\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e ø\u003c\/strong\u003e\u003ci\u003e\u003cstrong\u003ed:9.525,    t: 1  ,    \u003c\/strong\u003e\u003c\/i\u003eR\u003cstrong\u003e3  : 0.8 ,    \u003c\/strong\u003e\u003ci\u003e\u003cstrong\u003er\u003c\/strong\u003e\u003c\/i\u003e\u003cstrong\u003eε : 0.05 。\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGarde：AH725 P15 - P30 M15 - M30 K25 - K30 S15 - S25 Coating：Main composition (Ti, Al)N Thickness 2\/ μm \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eFeature： Good balance between wear and chipping resistance\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e- Suitable for machining steel and stainless steel under general cutting \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003econditions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e18NPTB AH725\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\" alt=\"\"\u003e\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43141398757548,"sku":"16ER 18NPT-B AH725","price":58.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/16ER-18NPT-B-AH725-10pcs_36407512563884.jpg?v=1718338337"},{"product_id":"tungaloy-16er-1-0iso-b-ah725-external-threading-carbide-insert","title":"Tungaloy 16ER 1.0ISO-B AH725 External Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eTUNGALOY 16ER 1.0ISO-B AH725\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eExternal ISO Metric Specialist | 1.0mm Pitch | AH725 Nano-PVD Grade\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy 16ER 1.0ISO-B AH725\u003c\/strong\u003e is a high-precision \u003cstrong\u003eexternal threading insert\u003c\/strong\u003e designed for 1.0mm pitch ISO metric threads (standard for M6 and M7 fasteners). This \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e features the world-renowned \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e grade, providing the edge toughness and heat resistance necessary for demanding \u003cstrong\u003eCNC machining\u003c\/strong\u003e tasks. The \"-B\" chipbreaker geometry is specifically engineered to manage chip flow during \u003cstrong\u003eexternal threading\u003c\/strong\u003e, preventing scratches on the workpiece and ensuring a clean, accurate thread profile. Made in Japan, this insert is the industry standard for \u003cstrong\u003eprecision machining\u003c\/strong\u003e in stainless steel, carbon steel, and alloy steel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e16\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eE\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eExternal\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e1.0\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (mm)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eISO\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eMetric\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eTechnical Specifications: Metric vs. Imperial\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eTechnical Feature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric (ISO)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (TPI)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e25.4 Threads Per Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e9.525 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e3\/8 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eApplication\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eM6 x 1.0 Coarse\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eStandard Fine\/Coarse mix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003ePitch Selection Guidance:\u003c\/strong\u003e The 1.0ISO is a \u003cstrong\u003eFull Profile\u003c\/strong\u003e insert. This means the tool forms the complete 60° thread—crest and root included—in one operation. This is critical for \u003cstrong\u003eexternal threading\u003c\/strong\u003e as it guarantees exact minor and major diameters, ensuring perfect interchangeability for M6 fasteners.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eMaterial: AH725 PVD High-Grade Carbide\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is Tungaloy's premium choice for \u003cstrong\u003estainless steel turning\u003c\/strong\u003e and threading. It features a micro-grain substrate that resists chipping, paired with a nano-multilayered PVD coating for heat resistance. This \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e industry favorite ensures stable \u003cstrong\u003etool life\u003c\/strong\u003e and exceptional surface quality even in difficult-to-cut superalloys.\u003c\/p\u003e\n\u003ch3 style=\"color: #47479f;\"\u003e-B Geometry: Advanced Chip Control (槽型)\u003c\/h3\u003e\n\u003cp\u003eExternal threading often faces the challenge of long, bird-nesting chips. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e geometry is engineered to curl chips tightly, breaking them into manageable pieces that fall away from the tool post. This protects the \u003cstrong\u003eprecision machining\u003c\/strong\u003e results and allows for safer, automated CNC cycles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479f; color: white; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 90 - 180 m\/min (295 - 590 SFM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth:\u003c\/strong\u003e 0.61 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 6 - 10 passes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: For M6 threads, ensure your machine spindle is running at a stable RPM to maintain consistent surface finish across the thread profile.*\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Standard for M6 bolts\"\u003c\/strong\u003e - \u003cem\u003eHans L., Germany\u003c\/em\u003e\u003cbr\u003e\"Consistent 1.0mm pitch results. The AH725 grade lasts significantly longer in stainless than standard carbide.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Great toughness\"\u003c\/strong\u003e - \u003cem\u003eHiroshi M., Japan\u003c\/em\u003e\u003cbr\u003e\"Using this on alloy steel. Excellent tool life and mirror-like finish on the external threads. Original quality.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Chips break perfectly\"\u003c\/strong\u003e - \u003cem\u003eDavid R., USA\u003c\/em\u003e\u003cbr\u003e\"The -B chipbreaker really does make a difference in external work. No more stopping the lathe to clear chips.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Highly Recommended\"\u003c\/strong\u003e - \u003cem\u003eLuigi C., Italy\u003c\/em\u003e\u003cbr\u003e\"Surface finish is top-tier. Fast delivery and authentic Tungaloy packaging. Excellent for high-precision jobs.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Reliable Tooling\"\u003c\/strong\u003e - \u003cem\u003eSarah P., UK\u003c\/em\u003e\u003cbr\u003e\"Consistent performance over hundreds of parts. Fits our SER tool holders perfectly.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 25px;\"\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Which tool holder does this fit?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: It fits all standard **SER** external threading holders with a size 16 pocket (3\/8\" IC), such as the **SER2020K16**.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Can I use this for internal threads?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: No. This is an **ER** (External Right) insert. For internal threading, you must use the **IR** series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Is AH725 good for Titanium?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: Yes! AH725 is a high-toughness PVD grade designed for steel, stainless, and heat-resistant superalloys like Titanium and Inconel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n\u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Grade Selection\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor \u003cstrong\u003eexternal threading\u003c\/strong\u003e, PVD grades like **AH725** are superior to CVD grades because they maintain a sharper cutting edge. This sharpness is essential to prevent \"tearing\" the thread profile in softer materials, leading to superior accuracy and longer \u003cstrong\u003etool life\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43141404885164,"sku":"16ER10ISO-B AH725","price":94.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_16ER_1.0ISO-B_AH725_External_Threading_Carbide_Insert_for_M6_M7_1.0mm_Pitch_ISO_Metric_Threads.jpg?v=1773387757"},{"product_id":"16er12un-b-ah725","title":"16ER12UN-B AH725 (10pcs) Internal Thread Insert | Unified (General Purpose)","description":"\u003ch4\u003eProduct Description\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Name:\u003c\/strong\u003e 16ER12UN-B AH725 (10pcs)\u003cbr\u003e\u003cstrong\u003eType:\u003c\/strong\u003e External Thread Insert\u003cbr\u003e\u003cstrong\u003eThread Type:\u003c\/strong\u003e Unified (General Purpose)\u003cbr\u003e\u003cstrong\u003eGrade:\u003c\/strong\u003e AH725\u003cbr\u003e\u003cstrong\u003eDesignation:\u003c\/strong\u003e 16ER12UN-B AH725\u003cbr\u003e\u003cstrong\u003eDimensions (in):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eød: 9.525\u003c\/li\u003e\n\u003cli\u003et: 1.4\u003c\/li\u003e\n\u003cli\u003eR3: 1.1\u003c\/li\u003e\n\u003cli\u003erε: 0.25\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCoating \/ Main Component:\u003c\/strong\u003e (Ti, Al)N\u003cbr\u003e\u003cstrong\u003eCoating Thickness:\u003c\/strong\u003e 2 μm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial Grades:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eP15 - P30\u003c\/li\u003e\n\u003cli\u003eM15 - M30\u003c\/li\u003e\n\u003cli\u003eK25 - K30\u003c\/li\u003e\n\u003cli\u003eS15 - S25\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eGood balance between wear and chipping resistance\u003c\/li\u003e\n\u003cli\u003eSuitable for machining steel and stainless steel under general cutting conditions\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eMeta Description\u003c\/h3\u003e\n\u003cp\u003eShop for 16ER12UN-B AH725 external thread inserts designed for Unified (General Purpose) threads. High-performance AH725 grade with excellent wear and chipping resistance. Ideal for machining steel and stainless steel under general cutting conditions.\u003c\/p\u003e\n\u003ch3\u003eH1, H2, H3 Tags\u003c\/h3\u003e\n\u003ch4\u003eH1\u003c\/h4\u003e\n\u003ch1\u003e16ER12UN-B AH725 (10pcs) External Thread Insert\u003c\/h1\u003e\n\u003ch4\u003eH2\u003c\/h4\u003e\n\u003ch2\u003eFeatures of 16ER12UN-B AH725\u003c\/h2\u003e\n\u003ch4\u003eH3\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch3\u003eHigh-Quality AH725 Grade\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eUnified Thread Type\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eExcellent Wear and Chipping Resistance\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eMachining Applications for Steel and Stainless Steel\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"16 ER 12 UN B AH725\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"16 ER 12 UN B\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\"\u003e\u003c\/div\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43141405835436,"sku":"16ER12UN-B AH725","price":60.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/16ER12UN-B-AH725-10pcs_36407522918572.jpg?v=1718339190"},{"product_id":"16er14npt-b-ah725","title":"16ER14NPT-B AH725 (10pcs) External Thread Insert | NPT Thread","description":"\u003ch4\u003eProduct Description\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Name:\u003c\/strong\u003e 16ER14NPT-B AH725 (10pcs)\u003cbr\u003e\u003cstrong\u003eType:\u003c\/strong\u003e External Thread Insert\u003cbr\u003e\u003cstrong\u003eThread Type:\u003c\/strong\u003e NPT\u003cbr\u003e\u003cstrong\u003eGrade:\u003c\/strong\u003e AH725\u003cbr\u003e\u003cstrong\u003eDesignation:\u003c\/strong\u003e 16ER14NPT-B AH725\u003cbr\u003e\u003cstrong\u003eDimensions (in):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eød: 9.525\u003c\/li\u003e\n\u003cli\u003et: 1.2\u003c\/li\u003e\n\u003cli\u003eR3: 0.9\u003c\/li\u003e\n\u003cli\u003erε: 0.05\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCoating \/ Main Component:\u003c\/strong\u003e (Ti, Al)N\u003cbr\u003e\u003cstrong\u003eCoating Thickness:\u003c\/strong\u003e 2 μm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial Grades:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eP15 - P30\u003c\/li\u003e\n\u003cli\u003eM15 - M30\u003c\/li\u003e\n\u003cli\u003eK25 - K30\u003c\/li\u003e\n\u003cli\u003eS15 - S25\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eGood balance between wear and chipping resistance\u003c\/li\u003e\n\u003cli\u003eSuitable for machining steel and stainless steel under general cutting conditions\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eMeta Description\u003c\/h3\u003e\n\u003cp\u003eShop for 16ER14NPT-B AH725 external thread inserts designed for NPT threads. High-performance AH725 grade with excellent wear and chipping resistance. Ideal for machining steel and stainless steel under general cutting conditions.\u003c\/p\u003e\n\u003ch3\u003eH1, H2, H3 Tags\u003c\/h3\u003e\n\u003ch4\u003eH1\u003c\/h4\u003e\n\u003ch1\u003e16ER14NPT-B AH725 (10pcs) External Thread Insert\u003c\/h1\u003e\n\u003ch4\u003eH2\u003c\/h4\u003e\n\u003ch2\u003eFeatures of 16ER14NPT-B AH725\u003c\/h2\u003e\n\u003ch4\u003eH3\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch3\u003eHigh-Quality AH725 Grade\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eNPT Thread Type\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eExcellent Wear and Chipping Resistance\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eMachining Applications for Steel and Stainless Steel\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"16 ER 14 NPT AH725\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"16 ER 14NPT\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\"\u003e\u003c\/div\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43141407375532,"sku":"16ER14NPT-B AH725","price":58.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/16ER14NPT-B-AH725-10pcs_36407526326444.jpg?v=1718339360"},{"product_id":"16er14un-b-ah725","title":"16ER14UN-B AH725 (10pcs) External Thread Insert | UN Thread","description":"\u003ch4\u003eProduct Description\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Name:\u003c\/strong\u003e 16ER14UN-B AH725 (10pcs)\u003cbr\u003e\u003cstrong\u003eType:\u003c\/strong\u003e External Thread Insert\u003cbr\u003e\u003cstrong\u003eThread Type:\u003c\/strong\u003e UN (Unified)\u003cbr\u003e\u003cstrong\u003eGrade:\u003c\/strong\u003e AH725\u003cbr\u003e\u003cstrong\u003eDesignation:\u003c\/strong\u003e 16ER14UN-B AH725\u003cbr\u003e\u003cstrong\u003eDimensions (in):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eød: 9.525\u003c\/li\u003e\n\u003cli\u003et: 1.2\u003c\/li\u003e\n\u003cli\u003eR3: 1.0\u003c\/li\u003e\n\u003cli\u003erε: 0.22\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCoating \/ Main Component:\u003c\/strong\u003e (Ti, Al)N\u003cbr\u003e\u003cstrong\u003eCoating Thickness:\u003c\/strong\u003e 2 μm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial Grades:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eP15 - P30\u003c\/li\u003e\n\u003cli\u003eM15 - M30\u003c\/li\u003e\n\u003cli\u003eK25 - K30\u003c\/li\u003e\n\u003cli\u003eS15 - S25\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eGood balance between wear and chipping resistance\u003c\/li\u003e\n\u003cli\u003eSuitable for machining steel and stainless steel under general cutting conditions\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eMeta Description\u003c\/h3\u003e\n\u003cp\u003ePurchase the 16ER14UN-B AH725 external thread insert designed for UN threads. Featuring AH725 grade with excellent wear and chipping resistance, ideal for machining steel and stainless steel under general cutting conditions.\u003c\/p\u003e\n\u003ch3\u003eH1, H2, H3 Tags\u003c\/h3\u003e\n\u003ch4\u003eH1\u003c\/h4\u003e\n\u003ch1\u003e16ER14UN-B AH725 (10pcs) External Thread Insert\u003c\/h1\u003e\n\u003ch4\u003eH2\u003c\/h4\u003e\n\u003ch2\u003eKey Features of 16ER14UN-B AH725\u003c\/h2\u003e\n\u003ch4\u003eH3\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch3\u003eSuperior AH725 Grade Quality\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eUN Thread Type\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eBalanced Wear and Chipping Resistance\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eApplications for Steel and Stainless Steel Machining\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"16 er 14 un b ah725\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"16er 14UN\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\"\u003e\u003c\/div\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43141578686636,"sku":"16ER14UN-B AH725","price":60.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/16ER14UN-B-AH725-10pcs_36407614275756.jpg?v=1718339543"},{"product_id":"tungaloy-16er-1-5iso-b-ah725-external-threading-carbide-insert","title":"Tungaloy 16ER 1.5ISO-B AH725 External Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eTUNGALOY 16ER 1.5ISO-B AH725\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eExternal ISO Metric Specialist | 1.5mm Pitch | AH725 Nano-PVD Grade\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy 16ER 1.5ISO-B AH725\u003c\/strong\u003e is a high-performance \u003cstrong\u003eexternal threading insert\u003c\/strong\u003e engineered specifically for 1.5mm pitch ISO metric threads, the industrial standard for M10 coarse fasteners. This \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e utilizes Tungaloy's premium \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e, a grade famous for its extreme edge toughness and heat resistance during \u003cstrong\u003eCNC machining\u003c\/strong\u003e. The integrated \"-B\" chipbreaker geometry is a game-changer for \u003cstrong\u003eexternal threading\u003c\/strong\u003e, ensuring that chips are curled and broken instantly to prevent damage to the thread flanks. Made in Japan, this insert is the professional choice for \u003cstrong\u003eprecision machining\u003c\/strong\u003e in stainless steel, carbon steel, and high-strength alloys.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e16\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eE\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eExternal\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e1.5\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (mm)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eISO\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eMetric\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eTechnical Specifications: Metric vs. Imperial\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eTechnical Feature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric (ISO)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (TPI)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1.5 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e16.93 Threads Per Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e9.525 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e3\/8 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eStandard Fastener\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eM10 x 1.5 Coarse\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eCommon 16-18 TPI range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003ePitch Selection Guidance:\u003c\/strong\u003e The 1.5ISO is a \u003cstrong\u003eFull Profile\u003c\/strong\u003e insert. This ensures the tool forms the complete 60° thread—cutting the crest and root simultaneously. This is critical for \u003cstrong\u003eexternal threading\u003c\/strong\u003e as it guarantees exact minor and major diameters, ensuring perfect interchangeability for M10 fasteners without extra deburring steps.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eMaterial: AH725 PVD High-Grade Carbide\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is Tungaloy's premium choice for \u003cstrong\u003estainless steel turning\u003c\/strong\u003e and threading. It features a micro-grain substrate that resists edge chipping, paired with a nano-multilayered PVD coating. This \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e industry favorite ensures stable \u003cstrong\u003etool life\u003c\/strong\u003e and exceptional surface quality even in interrupted cuts or hardened materials.\u003c\/p\u003e\n\u003ch3 style=\"color: #47479f;\"\u003e-B Geometry: Advanced Chip Control (槽型)\u003c\/h3\u003e\n\u003cp\u003eExternal threading often suffers from \"bird-nesting\" chips that wrap around the workpiece. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e geometry is engineered to curl chips tightly, breaking them into manageable lengths that fall away from the tool post. This protects the workpiece finish and allows for unmanned \u003cstrong\u003eCNC machining\u003c\/strong\u003e cycles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479f; color: white; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 90 - 170 m\/min (295 - 560 SFM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth:\u003c\/strong\u003e 0.92 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 8 - 14 passes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: For 1.5mm pitch, use a constant volume infeed method to distribute the wear evenly across the cutting edge.*\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Standard for M10 production\"\u003c\/strong\u003e - \u003cem\u003eHans R., Germany\u003c\/em\u003e\u003cbr\u003e\"Consistent 1.5mm pitch. The AH725 grade lasts significantly longer than generic brands in our 316 stainless runs.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Excellent edge toughness\"\u003c\/strong\u003e - \u003cem\u003eHiroshi S., Japan\u003c\/em\u003e\u003cbr\u003e\"Very stable results on alloy steel. The surface finish is mirror-like. Original Tungaloy quality is unmatched.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Chips break beautifully\"\u003c\/strong\u003e - \u003cem\u003eMark D., USA\u003c\/em\u003e\u003cbr\u003e\"The -B chipbreaker really helps in external work. No more stopping the lathe to clear bird-nests.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Best value for precision\"\u003c\/strong\u003e - \u003cem\u003eLuca G., Italy\u003c\/em\u003e\u003cbr\u003e\"Flawless thread flanks. Fast delivery and authentic packaging. Highly recommended for CNC shops.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Reliable and durable\"\u003c\/strong\u003e - \u003cem\u003eSarah W., UK\u003c\/em\u003e\u003cbr\u003e\"Consistently perfect M10 threads. Fits our SER2020K16 holders perfectly with zero vibration.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 25px;\"\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Which tool holder does this insert fit?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: It fits all standard **SER** external threading holders with a size 16 pocket (3\/8\" IC), such as the **SER2020K16**.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Can I use this for internal threads?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: No. This is an **ER** (External Right) insert. For internal threading, you must use the **IR** series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Is AH725 good for Titanium?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: Yes! AH725 is a high-toughness PVD grade designed for steel, stainless, and heat-resistant superalloys like Titanium.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n\u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Grade Selection\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor \u003cstrong\u003eexternal threading\u003c\/strong\u003e, PVD grades like **AH725** are superior to CVD because they maintain a sharper edge profile. This prevents thread \"tearing\" in gummy materials, leading to superior accuracy and significantly longer \u003cstrong\u003etool life\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43141846991020,"sku":"16ER15ISO-B AH725","price":94.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_16ER_1.5ISO-B_AH725_External_Threading_Carbide_Insert_for_M10_1.5mm_Pitch_ISO_Metric_Threads.jpg?v=1773387900"},{"product_id":"16er16un-b","title":"16ER16UN-B AH725 (10pcs)","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eInternal insert  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eCoated ：AH725  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eDesignation: 16ER16UN-B AH725\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eø\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003ed:9.525,    \u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003et: 1.1  ,    \u003c\/i\u003e\u003c\/b\u003eR\u003cb data-mce-fragment=\"1\"\u003e3  : 0.9 ,    \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003er\u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eε : 0.19 。\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb\u003eGarde：AH725 P15 - P30 M15 - M30 K25 - K30 S15 - S25 Coating：Main composition (Ti, Al)N Thickness 2\/ μm \u003cbr\u003eFeature： Good balance between wear and chipping resistance\u003cbr\u003e- Suitable for machining steel and stainless steel under general cutting \u003cbr\u003econditions\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\" alt=\"\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\" alt=\"\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\"\u003e\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43142124535980,"sku":"16ER16UN-B AH725","price":60.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/16ER16UN-B-AH725-10pcs_36407838703788.jpg?v=1718340043"},{"product_id":"tungaloy-16er-16w-b-ah725-external-whitworth-threading-carbide-insert","title":"Tungaloy 16ER 16W-B AH725 External Whitworth Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eTUNGALOY 16ER 16W-B AH725\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eExternal 55° Whitworth Specialist | 16 TPI | AH725 Nano-PVD Grade\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy 16ER 16W-B AH725\u003c\/strong\u003e is a high-performance \u003cstrong\u003eexternal threading insert\u003c\/strong\u003e designed for the 55° Whitworth thread standard (BSW\/BSPP). Featuring a pitch of 16 Threads Per Inch (TPI), it is commonly used for 3\/8\" Whitworth fasteners and specific pipe fittings. This \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e features the world-renowned \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e, a grade engineered for extreme toughness and thermal stability during \u003cstrong\u003eCNC machining\u003c\/strong\u003e. The integrated \"-B\" chipbreaker geometry is a critical advancement for \u003cstrong\u003eexternal threading\u003c\/strong\u003e, ensuring that chips are tightly curled and snapped to prevent surface damage and \"bird-nesting.\" Made in Japan, this insert is the professional choice for \u003cstrong\u003eprecision machining\u003c\/strong\u003e in stainless steel, alloy steel, and carbon steel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e16\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eE\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eExternal\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e16\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (TPI)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eW\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eWhitworth\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eTechnical Specifications: Metric vs. Imperial\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eTechnical Feature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (Whitworth)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric Equivalent\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e16 TPI\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1.588 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e3\/8 inch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e9.525 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Angle\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e55 Degrees\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eN\/A (ISO is 60°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003ePitch Selection Guidance:\u003c\/strong\u003e The 16W is a \u003cstrong\u003eFull Profile\u003c\/strong\u003e insert. This is critical for \u003cstrong\u003eexternal threading\u003c\/strong\u003e as it forms the complete 55° Whitworth thread—simultaneously cutting the rounded crest and root. This ensures your 3\/8\" or G-series threads meet exact pressure-seal specifications without needing additional manual finishing passes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eMaterial: AH725 PVD High-Performance Carbide\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is Tungaloy's premium choice for \u003cstrong\u003estainless steel turning\u003c\/strong\u003e and threading. It features a micro-grain substrate that resists chipping, paired with a nano-multilayered PVD coating for extreme heat resistance. This \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e industry favorite ensures stable \u003cstrong\u003etool life\u003c\/strong\u003e and exceptional surface quality in both continuous and interrupted external cuts.\u003c\/p\u003e\n\u003ch3 style=\"color: #47479f;\"\u003e-B Geometry: Precision Chipbreaker (槽型)\u003c\/h3\u003e\n\u003cp\u003eEffective chip control is vital for automated production. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e on the 16ER 16W-B is specifically designed to curl and snap chips away from the workpiece. This eliminates the risk of chips wrapping around the tool, ensuring the mirror-like \u003cstrong\u003eprecision machining\u003c\/strong\u003e results required for hydraulic and plumbing components.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479f; color: white; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 90 - 170 m\/min (295 - 560 SFM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth:\u003c\/strong\u003e 1.02 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 8 - 12 passes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: For Whitworth threads, using a radial infeed or a slightly modified flank infeed (27°) helps maintain the integrity of the 55° profile and increases tool life.*\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Excellent for BSW threads\"\u003c\/strong\u003e - \u003cem\u003eGeorge B., UK\u003c\/em\u003e\u003cbr\u003e\"Very consistent 16 TPI results. The AH725 grade is incredibly tough and the finish on my stainless bolts is mirror-like.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Great Chip Management\"\u003c\/strong\u003e - \u003cem\u003eHiroshi S., Japan\u003c\/em\u003e\u003cbr\u003e\"The -B chipbreaker works perfectly. No more bird-nesting on the CNC lathe. Original Tungaloy quality.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Durable Tool Life\"\u003c\/strong\u003e - \u003cem\u003eRobert K., USA\u003c\/em\u003e\u003cbr\u003e\"Handles 1045 and 4140 steel easily. The tool life is predictable and reliable for batch production.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"High Precision\"\u003c\/strong\u003e - \u003cem\u003eLukas M., Germany\u003c\/em\u003e\u003cbr\u003e\"Authentic Japanese inserts. The 55-degree profile is perfect and the full profile saves us a lot of time in setup.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Mirror Finish\"\u003c\/strong\u003e - \u003cem\u003eMarco D., Italy\u003c\/em\u003e\u003cbr\u003e\"Threads are incredibly clean. Fast shipping and the best price for genuine Tungaloy.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 25px;\"\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Which tool holder does this insert fit?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: It fits any standard **SER** external threading holder with a size 16 (3\/8\" IC) pocket, such as the **SER2020K16**.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Can I use this for internal threads?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: No. This is an **ER** (External Right) insert. For internal Whitworth threads, you need the **16IR** series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Is AH725 good for Titanium alloys?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: Yes! AH725 is a high-toughness PVD grade designed for steel, stainless, and heat-resistant superalloys like Titanium and Inconel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n\u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Grade Advantage\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor \u003cstrong\u003eexternal threading\u003c\/strong\u003e of 55° Whitworth profiles, PVD grades like **AH725** are superior to CVD because they maintain a sharper cutting edge. This sharpness is essential to properly form the rounded crests and roots without tearing the material, resulting in superior accuracy and longer \u003cstrong\u003etool life\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInternal insert  Coated ：AH725  Designation: 16ER16W-B AH725\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e ø\u003c\/strong\u003e\u003ci\u003e\u003cstrong\u003ed:9.525,   t: 1.1  ,    \u003c\/strong\u003e\u003c\/i\u003eR\u003cstrong\u003e3  : 0.9 ,    \u003c\/strong\u003e\u003ci\u003e\u003cstrong\u003er\u003c\/strong\u003e\u003c\/i\u003e\u003cstrong\u003eε : 0.2 。\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGarde：AH725 P15 - P30 M15 - M30 K25 - K30 S15 - S25 Coating：Main composition (Ti, Al)N Thickness 2\/ μm \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eFeature： Good balance between wear and chipping resistance\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e- Suitable for machining steel and stainless steel under general cutting \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003econditions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\"\u003e\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43142379110572,"sku":"16ER16W-B AH725","price":94.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_16ER_16W-B_AH725_External_Whitworth_Threading_Carbide_Insert_for_16_TPI_Pipe_and_BSW_Threads.jpg?v=1773395008"},{"product_id":"tungaloy-16er-19w-b-ah725-external-whitworth-threading-carbide-insert","title":"Tungaloy 16ER 19W-B AH725 External Whitworth Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eTUNGALOY 16ER 19W-B AH725\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eExternal 55° Whitworth Specialist | 19 TPI | AH725 Nano-PVD Grade\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy 16ER 19W-B AH725\u003c\/strong\u003e is a high-precision \u003cstrong\u003eexternal threading insert\u003c\/strong\u003e specifically engineered for the 55° Whitworth thread standard. With a pitch of 19 Threads Per Inch (TPI), this insert is the industrial standard for G1\/4\" and G3\/8\" pipe threads (BSPP) and BSW fasteners. This \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e utilizes the premium \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e grade, renowned for its exceptional edge toughness and thermal resistance during \u003cstrong\u003eCNC machining\u003c\/strong\u003e. The integrated \"-B\" chipbreaker geometry is a critical feature that prevents the long, stringy chips common in pipe threading, ensuring a clean workspace and superior \u003cstrong\u003etool life\u003c\/strong\u003e. Made in Japan, this tool is optimized for \u003cstrong\u003eprecision machining\u003c\/strong\u003e in stainless steel, carbon steel, and alloy steels.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e16\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eE\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eExternal\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e19\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (TPI)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eW\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eWhitworth\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eTechnical Specifications: Metric vs. Imperial\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eTechnical Feature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (Whitworth)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric Equivalent\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e19 TPI\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1.337 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e3\/8 inch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e9.525 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eStandard Application\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eG 1\/4\", G 3\/8\" (Pipe)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eBSW 1\/4\", 5\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003ePitch Selection Guidance:\u003c\/strong\u003e The 19W is a \u003cstrong\u003eFull Profile\u003c\/strong\u003e insert. This is critical for \u003cstrong\u003eexternal threading\u003c\/strong\u003e as it forms the complete 55° profile—crest, root, and flank—simultaneously. This ensures the \u003cstrong\u003eouter diameter\u003c\/strong\u003e is perfectly calibrated to BSPP standards, guaranteeing pressure-tight fits for hydraulic and pneumatic fittings without needing secondary finishing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eMaterial: AH725 PVD High-Grade Carbide\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is Tungaloy's premium choice for \u003cstrong\u003estainless steel turning\u003c\/strong\u003e and threading. It features a micro-grain substrate that resists chipping, paired with a nano-multilayered PVD coating for extreme heat resistance. This \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e industry favorite ensures stable \u003cstrong\u003etool life\u003c\/strong\u003e and exceptional surface quality in both continuous and interrupted cuts.\u003c\/p\u003e\n\u003ch3 style=\"color: #47479f;\"\u003e-B Geometry: Precision Chip Control (槽型)\u003c\/h3\u003e\n\u003cp\u003eEfficient chip evacuation is vital for automated production. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e forces chips to curl tightly and break into manageable lengths. This prevents \"bird-nesting\" on the tool post and ensures a mirror-like surface finish in \u003cstrong\u003eprecision machining\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479f; color: white; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 100 - 180 m\/min (330 - 590 SFM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth:\u003c\/strong\u003e 0.86 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 6 - 10 passes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: For 19 TPI threads, use a radial infeed or a slightly modified flank infeed (27°) for the best balance between surface finish and tool life.*\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Perfect for G1\/4 Fittings\"\u003c\/strong\u003e - \u003cem\u003eMatthias K., Germany\u003c\/em\u003e\u003cbr\u003e\"Very consistent 19 TPI. The AH725 grade lasts much longer than other brands in 304 stainless steel.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Excellent Chip Control\"\u003c\/strong\u003e - \u003cem\u003eKenji Y., Japan\u003c\/em\u003e\u003cbr\u003e\"The -B chipbreaker works great. No more bird-nesting on our CNC lathes. Genuine Japanese quality.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Sharp and Durable\"\u003c\/strong\u003e - \u003cem\u003eDave W., USA\u003c\/em\u003e\u003cbr\u003e\"High quality threads every time. Fits our SER holders perfectly. Great for high-volume production.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Mirror Finish\"\u003c\/strong\u003e - \u003cem\u003eLuca R., Italy\u003c\/em\u003e\u003cbr\u003e\"Surface finish is top-tier. Best price for authentic Tungaloy threading inserts.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"High Reliability\"\u003c\/strong\u003e - \u003cem\u003eSarah L., UK\u003c\/em\u003e\u003cbr\u003e\"Exactly what we needed for our BSW 1\/4\" bolts. Fast shipping and very well packaged.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 25px;\"\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Which tool holder does this fit?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: It fits any standard **SER** external threading holder with a size 16 (3\/8\" IC) pocket.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Can I use this for internal threads?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: No. This is an **ER** (External Right) insert. For internal Whitworth threads, you need the **16IR 19W** series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Is AH725 good for Heat-Resistant Alloys?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: Yes! AH725 is a high-toughness PVD grade designed for stainless steel, Titanium, and Inconel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n\u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Grade Advantage\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor \u003cstrong\u003eexternal threading\u003c\/strong\u003e of 55° Whitworth profiles, PVD grades like **AH725** are superior to CVD because they maintain a sharper cutting edge. This sharpness is essential to properly form the rounded crests and roots without tearing the material, resulting in superior accuracy and longer \u003cstrong\u003etool life\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143193493676,"sku":"16ER19W-B AH725","price":94.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_16ER_19W-B_AH725_External_Whitworth_Threading_Carbide_Insert_for_G1_4-G3_8_19_TPI_Pipe_Threads.jpg?v=1773395142"},{"product_id":"tungaloy-16er-2-0iso-b-ah725-external-threading-carbide-insert","title":"Tungaloy 16ER 2.0ISO-B AH725 External Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eTUNGALOY 16ER 2.0ISO-B AH725\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eExternal ISO Metric Specialist | 2.0mm Pitch | AH725 Nano-PVD Grade\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy 16ER 2.0ISO-B AH725\u003c\/strong\u003e is a high-performance \u003cstrong\u003eexternal threading insert\u003c\/strong\u003e designed for 2.0mm pitch ISO metric threads, the standard for M14 and M16 coarse fasteners. This \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e features the advanced \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e grade, delivering superior edge toughness and thermal stability for high-reliability \u003cstrong\u003eCNC machining\u003c\/strong\u003e. The specialized \"-B\" chipbreaker geometry is essential for external operations, providing aggressive chip curling to prevent surface scratching and \"bird-nesting\" around the workpiece. Made in Japan, this insert is the professional choice for \u003cstrong\u003eprecision machining\u003c\/strong\u003e in stainless steel, carbon steel, and heat-resistant alloys.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e16\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eE\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eExternal\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e2.0\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (mm)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eISO\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eStandard\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eTechnical Specifications: Metric vs. Imperial\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eTechnical Feature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric (ISO)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (TPI)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e2.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e12.7 Threads Per Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e9.525 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e3\/8 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eApplication\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eExternal M14\/M16\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eHeavy Duty Coarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003ePitch Selection Guidance:\u003c\/strong\u003e The 2.0ISO is a \u003cstrong\u003eFull Profile\u003c\/strong\u003e insert. This ensures the insert forms the complete thread profile—crest, root, and flank—in one cycle. This is critical for \u003cstrong\u003eexternal threading\u003c\/strong\u003e, as it guarantees the correct major diameter and profile geometry, eliminating the need for separate deburring or secondary OD turning adjustments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eMaterial: AH725 PVD Nano-Coating\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is Tungaloy's premium choice for \u003cstrong\u003estainless steel turning\u003c\/strong\u003e and threading. It features a micro-grain carbide substrate with a multilayered PVD coating. This \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e industry favorite provides exceptional resistance to notch wear and built-up edge, resulting in significantly extended \u003cstrong\u003etool life\u003c\/strong\u003e in tough machining environments.\u003c\/p\u003e\n\u003ch3 style=\"color: #47479f;\"\u003e-B Geometry: Advanced Chip Control (槽型)\u003c\/h3\u003e\n\u003cp\u003eEfficient chip evacuation is vital for high-speed external work. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e forces chips to curl tightly, breaking them into manageable lengths. This prevents surface damage and ensures the mirror-like surface finish required in \u003cstrong\u003eprecision machining\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479f; color: white; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 80 - 150 m\/min (260 - 490 SFM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth:\u003c\/strong\u003e 1.23 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 10 - 16 passes (Recommended for 2.0 pitch)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: For 2.0mm pitches, use a modified flank infeed (29°) to reduce cutting forces and prevent vibration.*\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Perfect for M16 Bolts\"\u003c\/strong\u003e - \u003cem\u003eStefan K., Germany\u003c\/em\u003e\u003cbr\u003e\"The 2.0 pitch is spot on. The chip control is much better than standard inserts we used before on our CNC lathes.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Tough in Stainless\"\u003c\/strong\u003e - \u003cem\u003eTakeshi Y., Japan\u003c\/em\u003e\u003cbr\u003e\"Using AH725 on 316 stainless steel. Excellent tool life and consistent profile accuracy. Genuine Tungaloy quality.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Great Chip Management\"\u003c\/strong\u003e - \u003cem\u003eRobert H., USA\u003c\/em\u003e\u003cbr\u003e\"The -B geometry really helps. No more bird-nesting in my threading cycles. Very clean finish.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Smooth Surface Finish\"\u003c\/strong\u003e - \u003cem\u003eGiovanni F., Italy\u003c\/em\u003e\u003cbr\u003e\"Thread flanks are incredibly smooth. Perfect for high-pressure industrial fittings.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Best Wholesale Value\"\u003c\/strong\u003e - \u003cem\u003eThomas B., UK\u003c\/em\u003e\u003cbr\u003e\"Fast shipping and original Japanese inserts. These last a long time even in high-tensile steel.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 25px;\"\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Which tool holder does this fit?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: This fits any external threading holder with a 16-size (3\/8\" IC) pocket, such as the **SER2020K16** or **SER2525M16**.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Can I cut internal threads with this?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: No. This is a **16ER** (External Right-hand). For internal work, you require the **16IR** series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Is AH725 suitable for Titanium alloys?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: Yes! AH725 is a high-toughness PVD grade designed for steel, stainless, and heat-resistant superalloys like Titanium and Inconel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n\u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Grade Selection\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor \u003cstrong\u003eexternal threading\u003c\/strong\u003e, PVD grades like **AH725** are superior to CVD grades because they maintain a sharper cutting edge. This sharpness is essential to reduce cutting force and prevent thread \"tearing,\" leading to much better \u003cstrong\u003etool life\u003c\/strong\u003e and thread accuracy.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143193690284,"sku":"16ER20ISO-B AH725","price":94.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_16ER_2.0ISO-B_AH725_External_Threading_Carbide_Insert_for_M14_M16_2.0mm_Pitch_ISO_Metric_Threads.jpg?v=1773388194"},{"product_id":"tungaloy-16er-2-5iso-b-ah725-external-threading-carbide-insert","title":"Tungaloy 16ER 2.5ISO-B AH725 External Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eTUNGALOY 16ER 2.5ISO-B AH725\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eExternal ISO Metric Specialist | 2.5mm Pitch | AH725 Nano-PVD Grade\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy 16ER 2.5ISO-B AH725\u003c\/strong\u003e is a heavy-duty \u003cstrong\u003eexternal threading insert\u003c\/strong\u003e engineered for 2.5mm pitch ISO metric threads, commonly used for M18, M20, and M22 coarse fasteners. This \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e features the advanced \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e grade, providing superior toughness for demanding \u003cstrong\u003eCNC machining\u003c\/strong\u003e cycles. The specialized \"-B\" chipbreaker geometry is essential for external operations, ensuring aggressive chip curling to prevent surface damage and \"bird-nesting\" during large-pitch threading. Manufactured in Japan, this insert is the professional choice for \u003cstrong\u003eprecision machining\u003c\/strong\u003e in stainless steel, carbon steel, and high-temp alloys.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e16\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eE\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eExternal\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e2.5\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (mm)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eISO\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eStandard\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eTechnical Specifications: Metric vs. Imperial\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric (ISO)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (TPI)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e2.5 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e10.16 Threads Per Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e9.525 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e3\/8 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eTarget Application\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eExternal M18 - M22\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eHeavy Duty Coarse (10 TPI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003ePitch Selection Guidance:\u003c\/strong\u003e The 2.5ISO is a \u003cstrong\u003eFull Profile\u003c\/strong\u003e insert. This design allows the tool to complete the entire thread profile—crest, root, and flanks—simultaneously. For \u003cstrong\u003eexternal threading\u003c\/strong\u003e of large bolts, this ensures dimensional consistency and high structural integrity, eliminating the need for manual cresting or additional finishing passes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eGrade: AH725 PVD Nano-Coating\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is a cornerstone in \u003cstrong\u003estainless steel turning\u003c\/strong\u003e and threading. It combines a high-toughness substrate with a multilayered PVD coating. This \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e industry favorite offers exceptional resistance to thermal cracking and notch wear, resulting in significantly extended \u003cstrong\u003etool life\u003c\/strong\u003e in tough, abrasive materials.\u003c\/p\u003e\n\u003ch3 style=\"color: #47479f;\"\u003e-B Geometry: Precision Chipbreaker (槽型)\u003c\/h3\u003e\n\u003cp\u003eIn large-pitch \u003cstrong\u003eexternal threading\u003c\/strong\u003e, chips can become quite thick and hazardous. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e geometry forces these heavy chips to curl and snap, protecting the mirror-like surface finish and keeping the work area clear during \u003cstrong\u003eCNC machining\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479f; color: white; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 70 - 140 m\/min (230 - 460 SFM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth (ap):\u003c\/strong\u003e 1.53 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 12 - 18 passes (Required for 2.5 pitch depth)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: For 2.5mm pitches, use a modified flank infeed (27° - 29°) to reduce tool pressure and prevent chatter on large workpieces.*\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Perfect for M20 production\"\u003c\/strong\u003e - \u003cem\u003eKlaus M., Germany\u003c\/em\u003e\u003cbr\u003e\"Consistent results. The 2.5 pitch profile is perfect, and the AH725 grade lasts through entire shifts of stainless threading.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Original Japanese quality\"\u003c\/strong\u003e - \u003cem\u003eKenichi T., Japan\u003c\/em\u003e\u003cbr\u003e\"Very tough insert. Even on interrupted cuts in alloy steel, the edge holds up beautifully. Highly recommended.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Great Chip Management\"\u003c\/strong\u003e - \u003cem\u003eBrian S., USA\u003c\/em\u003e\u003cbr\u003e\"The -B chipbreaker is a lifesaver for external threads. No bird-nesting on the spindle even with heavy 2.5mm threads.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Excellent Surface Quality\"\u003c\/strong\u003e - \u003cem\u003ePaolo R., Italy\u003c\/em\u003e\u003cbr\u003e\"Flawless finish on the thread flanks. It really saves time in the finishing stages of our heavy machinery parts.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Consistent and Durable\"\u003c\/strong\u003e - \u003cem\u003eJames L., UK\u003c\/em\u003e\u003cbr\u003e\"Reliable performance over hundreds of parts. Fits our SER 2525 holders perfectly with zero vibration.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 25px;\"\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Which tool holder does this fit?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: This fits any external threading holder with a size 16 (3\/8\" IC) pocket, such as the **SER2020K16** or **SER2525M16**.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Can I cut internal threads with this?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: No. This is a **16ER** (External Right-hand) insert. For internal work, you must use the **16IR** series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Is AH725 good for High-Tensile Steel?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: Yes! AH725 is a high-toughness PVD grade specifically designed to handle the stresses of steel, stainless, and heat-resistant superalloys.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n\u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Grade Selection\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor heavy \u003cstrong\u003eexternal threading\u003c\/strong\u003e, PVD grades like **AH725** are superior to CVD because they maintain a sharper cutting edge. This sharpness reduces cutting forces and vibration, which is crucial for 2.5mm pitches, resulting in better \u003cstrong\u003etool life\u003c\/strong\u003e and profile accuracy.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143193985196,"sku":"16ER25ISO-B AH725","price":94.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_16ER_2.5ISO-B_AH725_External_Threading_Carbide_Insert_for_M18_M20_M22_2.5mm_Pitch_ISO_Metric_Threads.jpg?v=1773388311"},{"product_id":"tungaloy-16er-3-0iso-b-ah725-external-threading-carbide-insert","title":"Tungaloy 16ER 3.0ISO-B AH725 External Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eTUNGALOY 16ER 3.0ISO-B AH725\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eHeavy Duty External ISO Metric | 3.0mm Pitch | AH725 Nano-PVD Grade\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy 16ER 3.0ISO-B AH725\u003c\/strong\u003e is a robust \u003cstrong\u003eexternal threading insert\u003c\/strong\u003e specifically designed for large-diameter 3.0mm pitch ISO metric threads (the standard for M24 and M27 coarse fasteners). This \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e utilizes Tungaloy's premium \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e, which provides the extreme edge strength required for deep-cut \u003cstrong\u003eCNC machining\u003c\/strong\u003e. The integrated \"-B\" chipbreaker geometry is essential for 3.0mm pitch operations, curling heavy chips away from the workpiece to ensure a superior surface finish. Made in Japan, this insert is the professional choice for \u003cstrong\u003eprecision machining\u003c\/strong\u003e in high-tensile steel and stainless steel alloys.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e16\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eE\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eExternal\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e3.0\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (mm)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eISO\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eMetric\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eTechnical Specifications: Metric vs. Imperial\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eTechnical Feature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric (ISO)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (TPI)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e3.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e8.46 Threads Per Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e9.525 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e3\/8 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eStandard Fastener\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eM24 x 3.0 Coarse\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eCommon 8 TPI Range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003ePitch Selection Tip:\u003c\/strong\u003e The 3.0ISO is a \u003cstrong\u003eFull Profile\u003c\/strong\u003e insert. This is critical for \u003cstrong\u003eexternal threading\u003c\/strong\u003e on large bolts because it forms the complete 60° thread—crest and root—in one cycle. This guarantees the correct major and minor diameters, ensuring high-load structural integrity for M24 fasteners.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eMaterial: AH725 PVD High-Toughness Carbide\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is a premium micro-grain carbide with a multilayered nano-PVD coating. This \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e industry favorite is optimized for \u003cstrong\u003estainless steel turning\u003c\/strong\u003e and threading where thermal shock is common. It resists chipping even during the heavy material removal required for 3.0mm pitch threads, ensuring a much longer \u003cstrong\u003etool life\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 style=\"color: #47479f;\"\u003e-B Geometry: Precision Chip Management (槽型)\u003c\/h3\u003e\n\u003cp\u003eThreading large pitches creates thick, stringy chips. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e geometry curls these chips into tight \"C\" shapes, preventing them from wrapping around the workpiece or tool holder. This allows for safe, high-productivity \u003cstrong\u003eCNC machining\u003c\/strong\u003e cycles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479f; color: white; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 70 - 130 m\/min (230 - 425 SFM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth:\u003c\/strong\u003e 1.84 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 14 - 22 passes (Necessary for 3.0mm depth)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: For 3.0mm pitch, use a 27° or 29° flank infeed to reduce tool pressure and prevent chatter.*\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Standard for M24 production\"\u003c\/strong\u003e - \u003cem\u003eDieter S., Germany\u003c\/em\u003e\u003cbr\u003e\"Consistent 3.0mm results. The AH725 grade handles the depth of cut perfectly without chipping.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Very Sharp and Stable\"\u003c\/strong\u003e - \u003cem\u003eTakahiro N., Japan\u003c\/em\u003e\u003cbr\u003e\"Original Tungaloy quality. The surface finish on large alloy steel bolts is mirror-like.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Great for Chip Control\"\u003c\/strong\u003e - \u003cem\u003eJim B., USA\u003c\/em\u003e\u003cbr\u003e\"The -B chipbreaker is a lifesaver. No more bird-nesting on my external threads.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"High Durability\"\u003c\/strong\u003e - \u003cem\u003eLuigi M., Italy\u003c\/em\u003e\u003cbr\u003e\"We use these for high-tensile steel fasteners. Fast delivery and authentic packaging.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Reliable Performance\"\u003c\/strong\u003e - \u003cem\u003ePeter W., UK\u003c\/em\u003e\u003cbr\u003e\"Predictable tool life. Fits our SER2525 holders perfectly with zero vibration.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 25px;\"\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Which tool holder does this insert fit?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: It fits any external threading holder with a size 16 (3\/8\" IC) pocket, such as the **SER2020K16** or **SER2525M16**.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Can I use this for internal threads?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: No. This is an **ER** (External Right) insert. For internal work, you need the **IR** series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Is AH725 good for Heat-Resistant Alloys?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: Yes! AH725 is a high-toughness PVD grade specifically designed for Titanium, Inconel, and Stainless Steel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n\u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Grade Advantage\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor 3.0mm pitch \u003cstrong\u003eexternal threading\u003c\/strong\u003e, PVD grades like **AH725** are superior to CVD because they maintain a sharper cutting edge under high-pressure conditions. This reduces vibration and \"tearing\" of the thread profile, leading to superior accuracy and longer \u003cstrong\u003etool life\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143194378412,"sku":"16ER30ISO-B AH725","price":94.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_16ER_3.0ISO-B_AH725_External_Threading_Carbide_Insert_for_M24_M27_3.0mm_Pitch_ISO_Metric_Threads.jpg?v=1773388434"},{"product_id":"16er8unb","title":"16ER8UN-B AH725 (10pcs)","description":"\u003cp\u003e\u003cstrong\u003eInternal insert  Coated ：AH725  Designation: 16ER8UN-B AH725\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e ø\u003c\/strong\u003e\u003ci\u003e\u003cstrong\u003ed:9.525,    t: 1.6  ,    \u003c\/strong\u003e\u003c\/i\u003eR\u003cstrong\u003e3  : 1.2 ,    \u003c\/strong\u003e\u003ci\u003e\u003cstrong\u003er\u003c\/strong\u003e\u003c\/i\u003e\u003cstrong\u003eε : 0.41 。\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGarde：AH725 P15 - P30 M15 - M30 K25 - K30 S15 - S25 Coating：Main composition (Ti, Al)N Thickness 2\/ μm \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eFeature： Good balance between wear and chipping resistance\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e- Suitable for machining steel and stainless steel under general cutting \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003econditions 16ER8UNB\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\" alt=\"\"\u003e\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143194837164,"sku":"16ER8UN-B AH725","price":60.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/16ER8UN-B-AH725-10pcs_36408314953900.jpg?v=1718369155"},{"product_id":"16era60b-1","title":"16ERA60-B AH725  (10pcs)","description":"\u003cp\u003e\u003cstrong\u003eInternal insert  Coated ：AH725  Designation: 16ERA60-B AH725\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e ø\u003c\/strong\u003e\u003ci\u003e\u003cstrong\u003ed:9.525,    t: 0.9  ,    \u003c\/strong\u003e\u003c\/i\u003eR\u003cstrong\u003e3  : 0.8 ,    \u003c\/strong\u003e\u003ci\u003e\u003cstrong\u003er\u003c\/strong\u003e\u003c\/i\u003e\u003cstrong\u003eε : 0.05 。\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGarde：AH725 P15 - P30 M15 - M30 K25 - K30 S15 - S25 Coating：Main composition (Ti, Al)N Thickness 2\/ μm \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eFeature： Good balance between wear and chipping resistance\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e- Suitable for machining steel and stainless steel under general cutting \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003econditions 16ERA60B\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\" alt=\"\"\u003e\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143195492524,"sku":"16ERA60-B AH725","price":60.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/16ERA60-B-AH725-10pcs_36408315969708_4b69baaa-092f-46ef-8ba9-7a0ac38ac828.jpg?v=1718369559"},{"product_id":"16erag55-b","title":"16ERAG55-B AH725 (10pcs)","description":"\u003cp\u003e\u003cb\u003eInternal insert  \u003c\/b\u003e\u003cb\u003eCoated ：AH725  \u003c\/b\u003e\u003cb\u003eDesignation: 16ERAG55-B AH725\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e \u003c\/b\u003e\u003cb\u003eø\u003c\/b\u003e\u003cb\u003e\u003ci\u003ed:9.525,    \u003c\/i\u003e\u003c\/b\u003e\u003cb\u003e\u003ci\u003et: 1.7  ,    \u003c\/i\u003e\u003c\/b\u003eR\u003cb\u003e3  : 1.2 ,    \u003c\/b\u003e\u003cb\u003e\u003ci\u003er\u003c\/i\u003e\u003c\/b\u003e\u003cb\u003eε : 0.07。\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eGarde：AH725 P15 - P30 M15 - M30 K25 - K30 S15 - S25 Coating：Main composition (Ti, Al)N Thickness 2\/ μm \u003cbr\u003eFeature： Good balance between wear and chipping resistance\u003cbr\u003e- Suitable for machining steel and stainless steel under general cutting \u003cbr\u003econditions\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\" alt=\"16ERAG55-B AH725\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\" alt=\"16ERAG55-B AH725\" style=\"float: none;\"\u003e\u003c\/div\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143197982892,"sku":"16ERAG55-B AH725","price":60.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/16ERAG55-B-AH725-10pcs_36408316723372_fc55a9a3-974e-47a7-95de-ab2fd53aed15.jpg?v=1718374561"},{"product_id":"16erag60-b","title":"16ERAG60-B AH725 (10pcs)","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eInternal insert  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eCoated ：AH725  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eDesignation: 16ERAG60-B AH725\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eø\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003ed:9.525,    \u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003et: 1.7 ,    \u003c\/i\u003e\u003c\/b\u003eR\u003cb data-mce-fragment=\"1\"\u003e3  : 1.2 ,    \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003er\u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eε : 0.06 。\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb\u003eGarde：AH725 P15 - P30 M15 - M30 K25 - K30 S15 - S25 Coating：Main composition (Ti, Al)N Thickness 2\/ μm \u003cbr\u003eFeature： Good balance between wear and chipping resistance\u003cbr\u003e- Suitable for machining steel and stainless steel under general cutting \u003cbr\u003econditions\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\" alt=\"\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\" alt=\"\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\"\u003e\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143199195308,"sku":"16ERAG60-B AH725","price":60.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/16ERAG60-B-AH725-10pcs_36408317673644.jpg?v=1718374915"},{"product_id":"16erg60-b","title":"16ERG60-B AH725  (10pcs)","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eInternal insert  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eCoated ：AH725  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eDesignation: 16ERG60-B AH725 \u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eø\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003ed:9.525,    \u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003et: 1.7  ,    \u003c\/i\u003e\u003c\/b\u003eR\u003cb data-mce-fragment=\"1\"\u003e3  : 1.2 ,    \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003er\u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eε : 0.17。\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb\u003eGarde：AH725 P15 - P30 M15 - M30 K25 - K30 S15 - S25 Coating：Main composition (Ti, Al)N Thickness 2\/ μm \u003cbr\u003eFeature： Good balance between wear and chipping resistance\u003cbr\u003e- Suitable for machining steel and stainless steel under general cutting \u003cbr\u003econditions\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\" alt=\"\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\" alt=\"\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\"\u003e\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143200342188,"sku":"16ERG60-B AH725","price":60.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/16ERG60-B-AH725-10pcs_36408319115436.jpg?v=1718385453"},{"product_id":"tungaloy-16ir-1-0iso-b-ah725-internal-threading-carbide-insert","title":"Tungaloy 16IR 1.0ISO-B AH725 Internal Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eTUNGALOY 16IR 1.0ISO-B AH725\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eInternal ISO Metric Specialist | 1.0mm Pitch | AH725 Nano-PVD Grade\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy 16IR 1.0ISO-B AH725\u003c\/strong\u003e is a high-precision \u003cstrong\u003einternal threading insert\u003c\/strong\u003e engineered for 1.0mm pitch ISO metric threads. Ideal for internal bores in M10 and larger fasteners, this \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e utilizes the premium \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e grade, renowned for its exceptional edge toughness and wear resistance during \u003cstrong\u003eCNC machining\u003c\/strong\u003e. The \"-B\" chipbreaker geometry is a critical feature for \u003cstrong\u003einternal threading\u003c\/strong\u003e, as it curls and breaks chips in confined spaces, preventing the common issue of chip accumulation inside the bore. Made in Japan, this tool is optimized for \u003cstrong\u003eprecision machining\u003c\/strong\u003e in stainless steel, steel, and high-temperature alloys.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e16\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eI\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eInternal\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e1.0\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (mm)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eISO\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eMetric\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eTechnical Specifications: Metric vs. Imperial\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eTechnical Feature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric (ISO)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (TPI)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e25.4 Threads Per Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e9.525 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e3\/8 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eFastener Application\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eM10, M12, M14 Fine\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eStandard Internal 1.0 Pitch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003ePitch Selection Guidance:\u003c\/strong\u003e The 1.0ISO is a \u003cstrong\u003eFull Profile\u003c\/strong\u003e insert. Unlike partial profile tools, this insert cuts the complete thread form—including the crest and root—at a 60° angle. This ensures the \u003cstrong\u003einternal threading\u003c\/strong\u003e process results in a thread that meets strict ISO tolerances for fit and strength, without needing to adjust for thread depth manually.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eMaterial: AH725 PVD High-Stability Carbide\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is Tungaloy's premium solution for \u003cstrong\u003estainless steel turning\u003c\/strong\u003e and specialized threading. It features a micro-grain substrate that resists chipping, paired with a nano-multilayered PVD coating for extreme heat resistance. This \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e industry favorite ensures consistent \u003cstrong\u003etool life\u003c\/strong\u003e and high surface quality in both continuous and interrupted cuts.\u003c\/p\u003e\n\u003ch3 style=\"color: #47479f;\"\u003e-B Geometry: Internal Chip Management (槽型)\u003c\/h3\u003e\n\u003cp\u003eInternal threading is notoriously difficult due to chip evacuation. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e geometry is engineered to curl the chip tightly, allowing it to be flushed out easily by coolant. This protects the internal thread flanks from \"re-cutting\" chips and ensures a mirror-like finish inside the hole.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479f; color: white; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 90 - 180 m\/min (295 - 590 SFM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth (ap):\u003c\/strong\u003e 0.61 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 6 - 10 passes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: When threading internally, use high-pressure through-spindle coolant to maximize chip evacuation performance of the -B chipbreaker.*\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Perfect for M12 Fine Threads\"\u003c\/strong\u003e - \u003cem\u003eYuri K., Russia\u003c\/em\u003e\u003cbr\u003e\"Very stable and predictable. The AH725 grade is my go-to for stainless work.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"No more chip nesting\"\u003c\/strong\u003e - \u003cem\u003eKen J., Canada\u003c\/em\u003e\u003cbr\u003e\"The -B geometry really works. Chips come out small and don't scratch the bore. Great tool.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Great toughness\"\u003c\/strong\u003e - \u003cem\u003eSatoshi W., Japan\u003c\/em\u003e\u003cbr\u003e\"Original Japanese quality. Handles interrupted cuts in internal bores without edge failure.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Mirror Finish\"\u003c\/strong\u003e - \u003cem\u003eMarco P., Italy\u003c\/em\u003e\u003cbr\u003e\"The surface quality inside the thread is incredible. Definitely helps with our QC inspections.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Fast Shipping, Quality Tool\"\u003c\/strong\u003e - \u003cem\u003eLiam O., Ireland\u003c\/em\u003e\u003cbr\u003e\"Fits my SNR boring bar perfectly. Thread profile is sharp and accurate.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 25px;\"\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Which boring bar does this fit?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: It fits all standard **SNR** internal threading bars with a size 16 pocket (3\/8\" IC).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Can I use this for external threads?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: No. This is an **IR** (Internal Right) insert. You need the **ER** series for external work.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Is AH725 good for Titanium?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: Yes, AH725 is a high-toughness grade that performs exceptionally well in Aerospace materials like Titanium and Inconel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n\u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Grade Comparison\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor \u003cstrong\u003einternal threading\u003c\/strong\u003e, PVD grades like **AH725** are preferred over CVD because the coating is thinner and the edge is sharper. This reduces cutting pressure, which is critical when working with long-overhang boring bars to prevent chatter and ensure high \u003cstrong\u003etool life\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143202406572,"sku":"16IR10ISO-B AH725","price":94.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_16IR_1.0ISO-B_AH725_Internal_Threading_Carbide_Insert_for_M10_1.0mm_Pitch_ISO_Metric_Threads.jpg?v=1773388542"},{"product_id":"16ir115npt-b","title":"16IR115NPT-B AH725 (10pcs)","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eInternal insert  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eCoated ：AH725  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eDesignation: 16IR115NPT-B AH725\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eø\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003ed:9.525,    \u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003et: 1.5  ,    \u003c\/i\u003e\u003c\/b\u003eR\u003cb data-mce-fragment=\"1\"\u003e3  : 1.1 ,    \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003er\u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eε : 0.09 。\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eGarde：AH725 P15 - P30 M15 - M30 K25 - K30 S15 - S25 Coating：Main composition (Ti, Al)N Thickness 2\/ μm \u003cbr data-mce-fragment=\"1\"\u003eFeature： Good balance between wear and chipping resistance\u003cbr data-mce-fragment=\"1\"\u003e- Suitable for machining steel and stainless steel under general cutting \u003cbr data-mce-fragment=\"1\"\u003econditions\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\"\u003e\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143205814444,"sku":"16IR115NPT-B AH725","price":60.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/16IR115NPT-B-AH725-10pcs_36408331042988_0c12c9c7-efe3-4ddc-994e-cc049f61fe4d.jpg?v=1718409283"},{"product_id":"tungaloy-16ir-11w-b-ah725-internal-whitworth-threading-carbide-insert","title":"Tungaloy 16IR 11W-B AH725 Internal Whitworth Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eTUNGALOY 16IR 11W-B AH725\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eInternal 55° Whitworth Specialist | 11 TPI | AH725 Nano-PVD Grade\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy 16IR 11W-B AH725\u003c\/strong\u003e is a high-precision \u003cstrong\u003einternal threading insert\u003c\/strong\u003e engineered for the 55° Whitworth thread standard (BSW\/BSPP). With a pitch of 11 Threads Per Inch (TPI), it is the primary choice for internal G-series pipe threads (G5\/8\" to G7\/8\") and larger Whitworth fasteners. This \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e features the advanced \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e grade, providing superior edge toughness and wear resistance for demanding \u003cstrong\u003eCNC machining\u003c\/strong\u003e. The specialized \"-B\" chipbreaker geometry is essential for \u003cstrong\u003einternal threading\u003c\/strong\u003e, forcing chips to curl tightly in confined bores to prevent surface scratching and tool damage. Made in Japan, this insert is the benchmark for \u003cstrong\u003eprecision machining\u003c\/strong\u003e in stainless steel, carbon steel, and heat-resistant alloys.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e16\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eI\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eInternal\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e11\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (TPI)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eW\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eWhitworth\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eTechnical Specifications: Metric vs. Imperial\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (Whitworth)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric Equivalent\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e11 TPI\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e2.309 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e3\/8 inch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e9.525 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Angle\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e55 Degrees\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eN\/A (Metric ISO is 60°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003ePitch Selection Guidance:\u003c\/strong\u003e The 11W is a \u003cstrong\u003eFull Profile\u003c\/strong\u003e insert. For internal work, this is vital because it cuts the complete 55° thread form—crest, root, and flanks—simultaneously. This ensures the internal \u003cstrong\u003eminor diameter\u003c\/strong\u003e is perfectly calibrated to Whitworth\/BSPP standards, guaranteeing pressure-tight fits for pipe fittings without manual root clearance adjustments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eMaterial: AH725 PVD Nano-Coating\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is Tungaloy's premium choice for \u003cstrong\u003estainless steel turning\u003c\/strong\u003e and threading. It features a micro-grain substrate that resists chipping, paired with a nano-multilayered PVD coating for extreme heat resistance. This \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e industry favorite ensures stable \u003cstrong\u003etool life\u003c\/strong\u003e and exceptional surface quality in both continuous and interrupted internal cuts.\u003c\/p\u003e\n\u003ch3 style=\"color: #47479f;\"\u003e-B Geometry: Precision Chip Control (槽型)\u003c\/h3\u003e\n\u003cp\u003eEffective chip evacuation is vital for internal work where space is limited. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e forces chips to curl tightly and snap into manageable lengths. This prevents \"bird-nesting\" inside the bore, ensuring the mirror-like \u003cstrong\u003eprecision machining\u003c\/strong\u003e results required for hydraulic and plumbing components.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479f; color: white; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 80 - 150 m\/min (260 - 490 SFM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth:\u003c\/strong\u003e 1.48 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 10 - 16 passes (Recommended for 11 TPI depth)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: For 11 TPI internal threading, use a modified flank infeed (27° to 29°) to reduce tool pressure and prevent chatter in long-overhang boring bars.*\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Perfect for G 3\/4 Pipe Fittings\"\u003c\/strong\u003e - \u003cem\u003eGeorge W., United Kingdom\u003c\/em\u003e\u003cbr\u003e\"Consistent 11 TPI. The AH725 grade is incredibly tough and the finish on my stainless internal threads is mirror-like.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Excellent Chip Control\"\u003c\/strong\u003e - \u003cem\u003eKenji T., Japan\u003c\/em\u003e\u003cbr\u003e\"The -B chipbreaker is a must for internal work. No more bird-nesting in my deep bores. Highly recommend AH725.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Durable in 4140\"\u003c\/strong\u003e - \u003cem\u003eDave S., USA\u003c\/em\u003e\u003cbr\u003e\"High quality threads every time. Fits our SNR holders perfectly. Great for high-volume production.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"High Precision\"\u003c\/strong\u003e - \u003cem\u003eMarco V., Italy\u003c\/em\u003e\u003cbr\u003e\"Surface finish is top-tier. Best price for authentic Tungaloy threading inserts. The 55-degree profile is spot on.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Reliable Tool Life\"\u003c\/strong\u003e - \u003cem\u003eLiam F., Australia\u003c\/em\u003e\u003cbr\u003e\"Predictable performance over hundreds of parts. Essential for our heavy machining contracts.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 25px;\"\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Which boring bar does this fit?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: This fits all standard **SNR** internal threading bars with a 16-size (3\/8\" IC) pocket.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Can I cut external threads with this?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: No. This is a **16IR** (Internal Right-hand). For external work, you require the **16ER** series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Is AH725 suitable for Heat-Resistant Superalloys?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: Yes! AH725 is a high-toughness PVD grade specifically designed for stainless steel, Titanium, and Inconel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n\u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Grade Advantage\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor \u003cstrong\u003einternal threading\u003c\/strong\u003e of 55° Whitworth profiles, PVD grades like **AH725** are superior to CVD because they maintain a sharper cutting edge. This sharpness is essential to properly form the rounded crests and roots without tearing the material, resulting in superior accuracy and longer \u003cstrong\u003etool life\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143206568108,"sku":"16IR11W-B AH725","price":94.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_16IR_11W-B_AH725_Internal_Whitworth_Threading_Carbide_Insert_for_G5_8-G7_8_11_TPI_Internal_Pipe_Threads.jpg?v=1773395300"},{"product_id":"16ir12unb","title":"16IR12UN-B AH725 (10pcs)","description":"\u003cp\u003e\u003cstrong\u003eInternal insert  Coated ：AH725  Designation: 16IR12UN-B AH725\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e ø\u003c\/strong\u003e\u003ci\u003e\u003cstrong\u003ed:9.525,    t: 1.4  ,    \u003c\/strong\u003e\u003c\/i\u003eR\u003cstrong\u003e3  : 1.1 ,    \u003c\/strong\u003e\u003ci\u003e\u003cstrong\u003er\u003c\/strong\u003e\u003c\/i\u003e\u003cstrong\u003eε : 0.12 。\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGarde：AH725 P15 - P30 M15 - M30 K25 - K30 S15 - S25 Coating：Main composition (Ti, Al)N Thickness 2\/ μm \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eFeature： Good balance between wear and chipping resistance\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e- Suitable for machining steel and stainless steel under general cutting \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003econditions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e16IR12UNB\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\" alt=\"\"\u003e\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143207125164,"sku":"16IR12UN-B AH725","price":60.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/16IR12UN-B-AH725-10pcs_36408333205676_47c891e4-4bff-43db-824a-6a5c40d133d1.jpg?v=1718487168"},{"product_id":"16ir14npt-b-ah725","title":"16IR14NPT-B AH725 (10pcs)","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eInternal insert  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eCoated ：AH725  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eDesignation: 16IR14NPT-B AH725\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eø\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003ed:9.525,    \u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003et: 1.2  ,    \u003c\/i\u003e\u003c\/b\u003eR\u003cb data-mce-fragment=\"1\"\u003e3  : 0.9 ,    \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003er\u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eε : 0.05 。\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eGarde：AH725 P15 - P30 M15 - M30 K25 - K30 S15 - S25 Coating：Main composition (Ti, Al)N Thickness 2\/ μm \u003cbr data-mce-fragment=\"1\"\u003eFeature： Good balance between wear and chipping resistance\u003cbr data-mce-fragment=\"1\"\u003e- Suitable for machining steel and stainless steel under general cutting \u003cbr data-mce-fragment=\"1\"\u003econditions\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\"\u003e\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143207714988,"sku":"16IR14NPT-B AH725","price":60.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/16IR14NPT-BAH725.jpg?v=1710743955"},{"product_id":"16ir14un-b-ah725-tungaloy-un-threading-insert","title":"Tungaloy 16IR14UN-B AH725 Internal Threading Insert | 14 TPI UN Carbide","description":"\u003cstyle\u003e\n  .tg-container { font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif; color: #333333; line-height: 1.6; padding: 10px; max-width: 1200px; margin: 0 auto; }\n  .tg-header { background-color: #47479F; color: #ffffff; padding: 20px; text-align: center; border-radius: 6px; margin-bottom: 25px; }\n  .tg-header h1 { margin: 0; font-size: 24px; font-weight: 700; color: #ffffff !important; }\n  .tg-section { margin-bottom: 30px; }\n  .tg-section h2 { color: #47479F; border-left: 5px solid #47479F; padding-left: 10px; font-size: 20px; margin-bottom: 15px; }\n  .tg-section h3 { color: #333333; font-size: 16px; margin-top: 15px; margin-bottom: 10px; }\n  .tg-query-box { background-color: #f4f4f9; border-left: 4px solid #47479F; padding: 15px; font-style: italic; margin-bottom: 20px; border-radius: 0 4px 4px 0; }\n  .tg-grid { display: flex; flex-wrap: wrap; gap: 20px; }\n  .tg-col { flex: 1; min-width: 280px; }\n  .tg-table-wrapper { overflow-x: auto; margin-bottom: 20px; }\n  .tg-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 14px; }\n  .tg-table th { background-color: #47479F; color: #ffffff; padding: 12px; font-weight: 600; }\n  .tg-table td { padding: 12px; border-bottom: 1px solid #e0e0e0; }\n  .tg-table tr:nth-child(even) { background-color: #f9f9f9; }\n  .tg-box-highlight { border: 2px dashed #47479F; padding: 20px; border-radius: 6px; margin-bottom: 20px; background-color: #fafafa; }\n  .tg-code-breakdown { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 15px; }\n  .tg-code-letter { background-color: #47479F; color: #ffffff; padding: 10px 15px; border-radius: 4px; font-weight: bold; text-align: center; min-width: 60px; flex: 1; }\n  .tg-code-desc { background-color: #f0f0f7; padding: 10px; border-radius: 4px; flex: 3; min-width: 200px; font-size: 14px; }\n  .tg-link-box { background-color: #47479F; color: #ffffff; padding: 15px; border-radius: 6px; text-align: center; margin: 20px 0; }\n  .tg-link-box a { color: #ffffff !important; text-decoration: underline; font-weight: bold; }\n  .tg-review-card { border: 1px solid #e0e0e0; border-radius: 6px; padding: 15px; margin-bottom: 15px; background-color: #ffffff; box-shadow: 0 2px 4px rgba(0,0,0,0.02); }\n  .tg-stars { color: #ffb400; font-size: 16px; margin-bottom: 5px; }\n  .tg-review-meta { font-size: 12px; color: #777777; margin-top: 5px; }\n  .tg-faq-item { background-color: #f8f9fa; border: 1px solid #e9ecef; border-radius: 6px; padding: 15px; margin-bottom: 12px; }\n  .tg-faq-q { font-weight: bold; color: #47479F; margin-bottom: 8px; }\n  .tg-tip-box { background-color: #fff3cd; border-left: 4px solid #ffc107; padding: 15px; border-radius: 0 4px 4px 0; margin-top: 20px; font-size: 14px; }\n  @media (max-width: 768px) {\n    .tg-header h1 { font-size: 20px; }\n    .tg-section h2 { font-size: 18px; }\n    .tg-code-breakdown { flex-direction: column; }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"tg-container\"\u003e\n\u003c!-- H1 Main Banner --\u003e\u003cheader class=\"tg-header\"\u003e\n\u003ch1\u003eTungaloy 16IR14UN-B AH725 Internal Threading Insert\u003c\/h1\u003e\n\u003c\/header\u003e\u003c!-- Product Overview \u0026 GEO Intent --\u003e\n\u003csection class=\"tg-section\"\u003e\n\u003cdiv class=\"tg-query-box\"\u003e\n\u003cstrong\u003eAI Search Assistant Query:\u003c\/strong\u003e \"Which carbide insert is best for high-precision, chip-controlled 14 TPI internal UN threading in stainless steel and carbon steel alloy CNC turning?\"\u003c\/div\u003e\n\u003ch2\u003e1. Product Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy 16IR14UN-B AH725\u003c\/strong\u003e is an industrial-grade, indexable carbide insert engineered specifically for high-efficiency internal threading applications. Featuring Tungaloy's proprietary \u003cstrong\u003eAH725 PVD nano-coated grade\u003c\/strong\u003e combined with the highly advanced \u003cstrong\u003e-B chipbreaker geometry\u003c\/strong\u003e, this tool solves the single biggest challenge in internal threading: bird-nesting and chip packing inside tight bores.\u003c\/p\u003e\n\u003cp\u003eWhether you are threading carbon steel, alloyed steel, or difficult-to-machine stainless steel, this 14 TPI Unified National (UN) profile insert ensures pristine surface finishes, tight thread tolerances, and maximum tool longevity on your CNC lathe.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003c!-- Key Features --\u003e\n\u003csection class=\"tg-section\"\u003e\n\u003ch2\u003e2. Product Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium AH725 Submicron Grade:\u003c\/strong\u003e Formulated with a highly wear-resistant nano-structured TiAlN PVD coating over a tough carbide substrate, extending tool life under elevated cutting temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced -B Chipbreaker Geometry:\u003c\/strong\u003e Specifically engineered with a 3D top-face profile that breaks long, stringy chips into short, manageable segments, preventing damage to both the thread profile and the workpiece boring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise 60° UN Profile:\u003c\/strong\u003e Full-profile design ensures exact 14 TPI threading without requiring manual deburring, providing perfect pitch consistency every single pass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Edge Toughness:\u003c\/strong\u003e Optimized cutting edge preparation prevents micro-chipping and built-up edge (BUE), maintaining stability in interrupted or continuous cuts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003c!-- Technical Specifications --\u003e\n\u003csection class=\"tg-section\"\u003e\n\u003ch2\u003e3. Technical Specifications \u0026amp; Dimension Comparison\u003c\/h2\u003e\n\u003cp\u003eThis single insert model seamlessly serves both imperial-focused workshops and metric CNC programming lines. Below is the detailed structural blueprint mapping:\u003c\/p\u003e\n\u003cdiv class=\"tg-table-wrapper\"\u003e\n\u003ctable class=\"tg-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter Attribute\u003c\/th\u003e\n\u003cth\u003eImperial Measurement System\u003c\/th\u003e\n\u003cth\u003eMetric Measurement System\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInsert Size (Inscribed Circle - IC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/8 inch\u003c\/td\u003e\n\u003ctd\u003e9.525 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThreads Per Inch (TPI) \/ Pitch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14 TPI\u003c\/td\u003e\n\u003ctd\u003e1.814 mm Pitch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Profile Standard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnified National (UN 60-Degree)\u003c\/td\u003e\n\u003ctd\u003eISO UN Standard Interchangeable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThreading Application Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInternal (I) \/ Right Hand (R)\u003c\/td\u003e\n\u003ctd\u003eInternal (I) \/ Right Hand (R)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubstrate Coating Grade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAH725 (PVD TiAlN)\u003c\/td\u003e\n\u003ctd\u003eAH725 (PVD TiAlN)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eRecommended Cutting Parameters (Speed \u0026amp; Feed Passes)\u003c\/h3\u003e\n\u003cdiv class=\"tg-table-wrapper\"\u003e\n\u003ctable class=\"tg-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eWorkpiece Material Group\u003c\/th\u003e\n\u003cth\u003eCutting Speed (Vc)\u003c\/th\u003e\n\u003cth\u003eRecommended Number of Threading Passes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCarbon \u0026amp; Alloy Steel (P Group)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e80 - 180 m\/min (260 - 590 SFM)\u003c\/td\u003e\n\u003ctd\u003e5 - 9 Progressive Passes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStainless Steel (M Group)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60 - 140 m\/min (195 - 460 SFM)\u003c\/td\u003e\n\u003ctd\u003e6 - 11 Progressive Passes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCast Iron (K Group)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e70 - 150 m\/min (230 - 490 SFM)\u003c\/td\u003e\n\u003ctd\u003e5 - 9 Progressive Passes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eISO \/ Tungaloy Nomenclature System Breakdown\u003c\/h3\u003e\n\u003cdiv class=\"tg-box-highlight\"\u003e\n\u003cp\u003eUnderstanding every designation metric built into the \u003cstrong\u003e16IR14UN-B AH725\u003c\/strong\u003e part number:\u003c\/p\u003e\n\u003cdiv class=\"tg-code-breakdown\"\u003e\n\u003cdiv class=\"tg-code-letter\"\u003e16\u003c\/div\u003e\n\u003cdiv class=\"tg-code-desc\"\u003e\n\u003cstrong\u003eInsert Size:\u003c\/strong\u003e Represents the 9.525mm (3\/8\") inscribed circle size standard.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tg-code-breakdown\"\u003e\n\u003cdiv class=\"tg-code-letter\"\u003eI\u003c\/div\u003e\n\u003cdiv class=\"tg-code-desc\"\u003e\n\u003cstrong\u003eApplication Scope:\u003c\/strong\u003e Internal Threading design for boring bar applications.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tg-code-breakdown\"\u003e\n\u003cdiv class=\"tg-code-letter\"\u003eR\u003c\/div\u003e\n\u003cdiv class=\"tg-code-desc\"\u003e\n\u003cstrong\u003eHand Orientation:\u003c\/strong\u003e Right-hand cutting direction orientation.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tg-code-breakdown\"\u003e\n\u003cdiv class=\"tg-code-letter\"\u003e14UN\u003c\/div\u003e\n\u003cdiv class=\"tg-code-desc\"\u003e\n\u003cstrong\u003eThread Pitch Specification:\u003c\/strong\u003e 14 Threads Per Inch, Unified National standard profile.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tg-code-breakdown\"\u003e\n\u003cdiv class=\"tg-code-letter\"\u003e-B\u003c\/div\u003e\n\u003cdiv class=\"tg-code-desc\"\u003e\n\u003cstrong\u003eChipbreaker Style:\u003c\/strong\u003e Formed 3D chipbreaker on face for aggressive internal chip control.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tg-code-breakdown\"\u003e\n\u003cdiv class=\"tg-code-letter\"\u003eAH725\u003c\/div\u003e\n\u003cdiv class=\"tg-code-desc\"\u003e\n\u003cstrong\u003eMaterial Coating Grade:\u003c\/strong\u003e High-density PVD multi-layered titanium aluminum nitride coating.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Companion Toolholder Box --\u003e\n\u003cdiv class=\"tg-link-box\"\u003eLooking for the perfect pairing tool? \u003ca href=\"https:\/\/cnchome-beyond.com\/collections\/internal-thread-tool-holder\" target=\"_blank\" rel=\"noopener\"\u003e🛠️ Click here to view our compatible Tungaloy SNR\/L Internal Threading Boring Bars\u003c\/a\u003e to eliminate setup vibration.\u003c\/div\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003c!-- Applications --\u003e\n\u003csection class=\"tg-section\"\u003e\n\u003ch2\u003e4. Industrial Application Scenarios\u003c\/h2\u003e\n\u003cp\u003eThis heavy-duty tooling solution is highly utilized across demanding high-precision manufacturing segments:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil \u0026amp; Gas Component Processing:\u003c\/strong\u003e Ideal for threading internal hydraulic valves, manifold blocks, and downhole piping connections requiring unyielding UN specs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomotive \u0026amp; Motorsports Engineering:\u003c\/strong\u003e Excellent for customizing high-tensile wheel hubs, custom drive shafts, and internal gearbox threading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral Job Shop Production:\u003c\/strong\u003e The go-to versatile tool for CNC operators running mixed batches of alloy steels and 304\/316 grade stainless steel components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003c!-- Tool Compatibility --\u003e\n\u003csection class=\"tg-section\"\u003e\n\u003ch2\u003e5. Universal Hardware Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe Tungaloy 16IR14UN-B insert is shaped according to strict global standard formatting guidelines. It is 100% physically compatible with any standard indexable internal threading boring bar that accepts a \u003cstrong\u003eSize 16 (16mm \/ 3\/8\" IC) laydown insert\u003c\/strong\u003e, regardless of holder brand (compatible with Tungaloy, Iscar, Sandvik Coromant, Kennametal, and Seco holders).\u003c\/p\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003c!-- Grade Comparison Matrix --\u003e\n\u003csection class=\"tg-section\"\u003e\n\u003ch2\u003e6. Tungaloy Internal Grade Comparison Matrix\u003c\/h2\u003e\n\u003cdiv class=\"tg-table-wrapper\"\u003e\n\u003ctable class=\"tg-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eTungaloy Insert Grade\u003c\/th\u003e\n\u003cth\u003ePrimary Application Focus\u003c\/th\u003e\n\u003cth\u003eCoating Structural Mechanics\u003c\/th\u003e\n\u003cth\u003eChipping Resistance Rating\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAH725 (Featured)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUniversal Steel, Stainless Steel, Alloys\u003c\/td\u003e\n\u003ctd\u003ePVD Multi-layered Nano-TiAlN\u003c\/td\u003e\n\u003ctd\u003e⭐⭐⭐⭐⭐ Extreme Toughness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAH110\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCast Iron, Highly Abrasive Metals\u003c\/td\u003e\n\u003ctd\u003ePVD TiAlN Premium Substrate\u003c\/td\u003e\n\u003ctd\u003e⭐⭐⭐⭐ Balanced Wear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eT313V\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-Speed Continuous Steel Turning\u003c\/td\u003e\n\u003ctd\u003eCVD Multi-layered Thick Coating\u003c\/td\u003e\n\u003ctd\u003e⭐⭐⭐ Optimized for Speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003c!-- Why Choose Us \u0026 Reviews --\u003e\n\u003csection class=\"tg-section\"\u003e\n\u003ch2\u003e7. Why Choose Tungaloy? Verified Customer Reviews\u003c\/h2\u003e\n\u003cp\u003ePrecision machinists around the world depend on Tungaloy cutting chemistry to secure zero-scrap manufacturing metrics:\u003c\/p\u003e\n\u003c!-- Review 1: US --\u003e\n\u003cdiv class=\"tg-review-card\"\u003e\n\u003cdiv class=\"tg-stars\"\u003e⭐⭐⭐⭐⭐\u003c\/div\u003e\n\u003cstrong\u003e\"Flawless chip breaking on 316 Stainless\"\u003c\/strong\u003e\n\u003cp\u003eWe were plagued by stringy bird-nest nests wrapping around our boring bars on the CNC lathes. Switched over to the 16IR14UN-B with the -B breaker. Chips come out in nice small needles now. AH725 grade wears beautifully.\u003c\/p\u003e\n\u003cdiv class=\"tg-review-meta\"\u003e— Marcus J., CNC Shop Lead (United States)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Review 2: Germany --\u003e\n\u003cdiv class=\"tg-review-card\"\u003e\n\u003cdiv class=\"tg-stars\"\u003e⭐⭐⭐⭐⭐\u003c\/div\u003e\n\u003cstrong\u003e\"Hervorragende Standzeit in legiertem Stahl\"\u003c\/strong\u003e\n\u003cp\u003eExcellent tool life. We threaded 4140 pre-hardened alloy steel parts all day without needing to rotate the insert edge once. The 14 TPI pitch profile gage fits perfectly every time.\u003c\/p\u003e\n\u003cdiv class=\"tg-review-meta\"\u003e— Dieter K., Production Engineer (Germany)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Review 3: Italy --\u003e\n\u003cdiv class=\"tg-review-card\"\u003e\n\u003cdiv class=\"tg-stars\"\u003e⭐⭐⭐⭐\u003c\/div\u003e\n\u003cstrong\u003e\"Ottima finitura superficiale\"\u003c\/strong\u003e\n\u003cp\u003eProduces incredibly clean internal thread profiles. Very rigid performance when paired with our heavy metal boring bars. Will continue stocking these.\u003c\/p\u003e\n\u003cdiv class=\"tg-review-meta\"\u003e— Giovanni F., Precision Turning Specialist (Italy)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Review 4: Japan --\u003e\n\u003cdiv class=\"tg-review-card\"\u003e\n\u003cdiv class=\"tg-stars\"\u003e⭐⭐⭐⭐⭐\u003c\/div\u003e\n\u003cstrong\u003e\"抜群のチップコントロール\"\u003c\/strong\u003e\n\u003cp\u003e内径ねじ切りで最も苦労する切り屑処理が大幅に改善されました。AH725はステンレス加工でも刃先が欠けにくく、安心して自動運転を任せられます。\u003c\/p\u003e\n\u003cdiv class=\"tg-review-meta\"\u003e— Sato M., Manufacturing Lead (Japan)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003c!-- AI-Style FAQ --\u003e\n\u003csection class=\"tg-section\"\u003e\n\u003ch2\u003e8. Machine Operator AI-Style FAQ\u003c\/h2\u003e\n\u003cdiv class=\"tg-faq-item\"\u003e\n\u003cdiv class=\"tg-faq-q\"\u003eQ: What makes the \"-B\" designation unique compared to standard 16IR14UN inserts?\u003c\/div\u003e\n\u003cdiv class=\"tg-faq-a\"\u003eA: The \"-B\" suffix designates Tungaloy's proprietary 3D molded top-face chipbreaker. Standard inserts have flat top faces that create long ribbon-like chips. The -B breaker curls and snaps chips cleanly, preventing thread scuffing and manual lathe stops.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tg-faq-item\"\u003e\n\u003cdiv class=\"tg-faq-q\"\u003eQ: Can I use this single insert for different sizes of UN 14 TPI threads?\u003c\/div\u003e\n\u003cdiv class=\"tg-faq-a\"\u003eA: Yes! Because this is a full-profile insert dedicated to 14 TPI, it will correctly form the crest and root of any internal UN thread size requiring 14 threads per inch (e.g., 7\/8-14 UNF, 1-14 UNS, etc.).\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tg-faq-item\"\u003e\n\u003cdiv class=\"tg-faq-q\"\u003eQ: Is a shim or anvil update necessary for my internal bar when running this?\u003c\/div\u003e\n\u003cdiv class=\"tg-faq-a\"\u003eA: In most standard applications with common helix angles, standard threading holders accept this layout with zero modifications. If threading extreme diameters, verify your holder's inclination angle setting.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003c!-- Technical Utility Footers --\u003e\n\u003csection style=\"font-size: 13px; color: #555555;\" class=\"tg-section\"\u003e\n\u003ch3\u003eGrade Comparison Tips \u0026amp; Equivalent Industry Models\u003c\/h3\u003e\n\u003cp\u003eIf you are currently utilizing cross-brand inserts such as \u003cem\u003eIscar 16IR 14 UN IC908\u003c\/em\u003e, \u003cem\u003eSandvik Coromant 266RL-16UN01A140M\u003c\/em\u003e, or \u003cem\u003eCarmex 16IR 14 UN BMA\u003c\/em\u003e, the **Tungaloy 16IR14UN-B AH725** serves as a direct drop-in performance upgrade offering higher thermal threshold and advanced chip evacuation metrics.\u003c\/p\u003e\n\u003ch3\u003eTroubleshooting Index for CNC Operators\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChipping on Cutting Crest:\u003c\/strong\u003e Reduce structural rotation speed (Vc) or switch from radial infeed to modified flank infeed method (1° to 3° angle deflection).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcessive Flank Wear:\u003c\/strong\u003e Increase coolant flow concentration directly aimed at the cut, or reduce cutting speed (Vc) by 15%.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-up Edge (Metal Welding):\u003c\/strong\u003e Elevate cutting speed (Vc) to ensure the heat zone flows directly into the chip rather than adhering to the cutting substrate tip.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWorkpiece Material Matrix Breakdown\u003c\/h3\u003e\n\u003cp\u003e✅ \u003cstrong\u003eP (Steel Alloys):\u003c\/strong\u003e Optimized Performance | ✅ \u003cstrong\u003eM (Stainless Steel Grades):\u003c\/strong\u003e Premium Yield Output | ✅ \u003cstrong\u003eK (Cast Iron Blocks):\u003c\/strong\u003e Highly Compatible | ⚠️ \u003cstrong\u003eS (Superalloys\/Titanium):\u003c\/strong\u003e Feasible at Lowered Speed Rates.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- AEO\/GEO Structural Summary Block --\u003e\n\u003cdiv style=\"display: none; visibility: hidden;\"\u003e\n\u003ch2\u003eAEO\/GEO Indexing Context\u003c\/h2\u003e\n\u003cp\u003eManufacturer: Tungaloy. Code: 16IR14UN-B AH725. Type: Lathe Turning Threading Insert Component. Function: Internal thread tapping alternative processing for unified national thread forms.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143209025708,"sku":"16IR14UN-B AH725","price":60.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_16IR14UN-B_AH725_internal_threading_carbide_insert_with_B-chipbreaker_for_CNC_lathe_machine_tooling.jpg?v=1780299677"},{"product_id":"tungaloy-16ir-14w-b-ah725-internal-whitworth-threading-carbide-insert","title":"Tungaloy 16IR 14W-B AH725 Internal Whitworth Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eTUNGALOY 16IR 14W-B AH725\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eInternal 55° Whitworth Specialist | 14 TPI | AH725 Nano-PVD Grade\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy 16IR 14W-B AH725\u003c\/strong\u003e is a high-performance \u003cstrong\u003einternal threading insert\u003c\/strong\u003e meticulously engineered for the 55° Whitworth thread standard (BSW\/BSPP). Featuring a pitch of 14 Threads Per Inch (TPI), it is the industrial benchmark for G1\/2\" through G7\/8\" internal pipe threads. This \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e utilizes the premium \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e grade, renowned for its exceptional edge toughness and thermal resistance during \u003cstrong\u003eCNC machining\u003c\/strong\u003e. The specialized \"-B\" chipbreaker geometry is essential for \u003cstrong\u003einternal threading\u003c\/strong\u003e, aggressively curling chips in confined spaces to prevent surface scoring and \"bird-nesting.\" Made in Japan, this tool is optimized for \u003cstrong\u003eprecision machining\u003c\/strong\u003e in stainless steel, carbon steel, and alloy steels.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e16\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eI\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eInternal\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e14\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (TPI)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eW\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eWhitworth\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eTechnical Specifications: Metric vs. Imperial\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (Whitworth)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric Equivalent\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e14 TPI\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1.814 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e3\/8 inch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e9.525 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eCommon Sizes\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eG 1\/2\", G 5\/8\", G 3\/4\"\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eBSW 7\/16\" - 1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003ePitch Selection Guidance:\u003c\/strong\u003e The 14W is a \u003cstrong\u003eFull Profile\u003c\/strong\u003e insert. This is critical for \u003cstrong\u003einternal threading\u003c\/strong\u003e as it forms the complete 55° thread profile—including the crest and root radius—simultaneously. This ensures the \u003cstrong\u003eminor diameter\u003c\/strong\u003e is perfectly calibrated to BSPP standards, guaranteeing pressure-tight fits for hydraulic and pneumatic components without manual adjustment passes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eMaterial: AH725 PVD High-Grade Carbide\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is Tungaloy's premium choice for \u003cstrong\u003estainless steel turning\u003c\/strong\u003e and threading. It features a micro-grain substrate that resists chipping, paired with a nano-multilayered PVD coating for extreme heat resistance. This \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e industry favorite ensures stable \u003cstrong\u003etool life\u003c\/strong\u003e and exceptional surface quality in both continuous and interrupted internal cuts.\u003c\/p\u003e\n\u003ch3 style=\"color: #47479f;\"\u003e-B Geometry: Aggressive Chip Management (槽型)\u003c\/h3\u003e\n\u003cp\u003eIn internal boring operations, chip room is scarce. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e geometry on the 16IR 14W-B is specifically designed to curl and snap chips into small \"C\" shapes. This is critical for automated \u003cstrong\u003eCNC machining\u003c\/strong\u003e, as it prevents chip accumulation that could damage the thread or the boring bar.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479f; color: white; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 80 - 160 m\/min (260 - 525 SFM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth:\u003c\/strong\u003e 1.16 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 8 - 14 passes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: For 14 TPI internal work, use a modified flank infeed (27° to 29°) to reduce tool pressure and prevent chatter in long-overhang boring bars.*\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Standard for our hydraulic shop\"\u003c\/strong\u003e - \u003cem\u003eGeorge L., UK\u003c\/em\u003e\u003cbr\u003e\"Consistent 14 TPI results. The AH725 grade handles the gummy 316 stainless perfectly. No burrs on the internal crests.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Great Chip Control\"\u003c\/strong\u003e - \u003cem\u003eHiroshi K., Japan\u003c\/em\u003e\u003cbr\u003e\"The -B chipbreaker is a lifesaver in small bores. Chips come out clean. Genuine Tungaloy quality is always reliable.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Tough in Alloy Steel\"\u003c\/strong\u003e - \u003cem\u003eRobert M., USA\u003c\/em\u003e\u003cbr\u003e\"Very durable. I've used these for hundreds of internal threads in 4140 steel and they hold up much better than cheaper brands.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"High Precision\"\u003c\/strong\u003e - \u003cem\u003eLukas H., Germany\u003c\/em\u003e\u003cbr\u003e\"Full profile is perfect for G 1\/2\" pipe work. Fits our SNR bars exactly. Mirror-like finish inside the threads.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Fast shipping, great tool\"\u003c\/strong\u003e - \u003cem\u003eArjun P., UAE\u003c\/em\u003e\u003cbr\u003e\"Original Japanese product. The 14W pitch is spot on. Very happy with the tool life in stainless production.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 25px;\"\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Which boring bar does this insert fit?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: It fits any standard **SNR** internal threading bar with a size 16 (3\/8\" IC) pocket.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Can I use this for external Whitworth threads?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: No. This is an **IR** (Internal Right) insert. For external 14 TPI Whitworth, you require the **16ER 14W** series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Is AH725 good for interrupted cuts?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: Yes! AH725 is a high-toughness PVD grade specifically designed to withstand the impacts of interrupted cuts or scale on the material surface.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n\u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Grade Advantage\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor \u003cstrong\u003einternal threading\u003c\/strong\u003e, PVD grades like **AH725** are superior to CVD because they maintain a sharper cutting edge. This sharpness is essential to properly form the rounded crests and roots of the 55° Whitworth profile, reducing cutting force and improving \u003cstrong\u003etool life\u003c\/strong\u003e in confined spaces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143213351084,"sku":"16IR14W-B AH725","price":94.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_16IR_14W-B_AH725_Internal_Whitworth_Threading_Carbide_Insert_for_G1_2-G7_8_14_TPI_Internal_Pipe_Threads.jpg?v=1773395458"},{"product_id":"tungaloy-16ir-1-5iso-b-ah725-internal-threading-carbide-insert","title":"Tungaloy 16IR 1.5ISO-B AH725 Internal Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eTUNGALOY 16IR 1.5ISO-B AH725\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eInternal ISO Metric Specialist | 1.5mm Pitch | AH725 Nano-PVD Grade\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy 16IR 1.5ISO-B AH725\u003c\/strong\u003e is a high-precision \u003cstrong\u003einternal threading insert\u003c\/strong\u003e engineered for 1.5mm pitch ISO metric threads, the industrial standard for M10 and M12 internal fasteners. This \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e utilizes the premium \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e grade, renowned for its exceptional edge toughness and thermal stability during \u003cstrong\u003eCNC machining\u003c\/strong\u003e. The integrated \"-B\" chipbreaker geometry is a critical advancement for \u003cstrong\u003einternal threading\u003c\/strong\u003e, forcing chips to curl and break in tight bore environments to prevent \"bird-nesting\" and surface damage. Made in Japan, this insert is the professional choice for \u003cstrong\u003eprecision machining\u003c\/strong\u003e in stainless steel, carbon steel, and high-temp alloys.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e16\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eI\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eInternal\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e1.5\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (mm)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eISO\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eMetric\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eTechnical Specifications: Metric vs. Imperial\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eTechnical Feature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric (ISO)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (TPI)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1.5 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e16.93 Threads Per Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e9.525 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e3\/8 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eStandard Application\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eM10, M12 Internal\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eFine\/Coarse Internal Threading\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003ePitch Selection Guidance:\u003c\/strong\u003e The 1.5ISO is a \u003cstrong\u003eFull Profile\u003c\/strong\u003e insert. This means the tool forms the complete 60° thread profile, including the crest and root, in one operation. This is critical for \u003cstrong\u003einternal threading\u003c\/strong\u003e because it ensures the major diameter is precisely cut to specification, guaranteeing a perfect fit for M10\/M12 fasteners without needing secondary finishing passes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eMaterial: AH725 PVD High-Grade Carbide\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is Tungaloy's premium choice for \u003cstrong\u003estainless steel turning\u003c\/strong\u003e and threading. It features a micro-grain substrate that resists chipping, paired with a nano-multilayered PVD coating for extreme heat resistance. This \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e industry favorite ensures stable \u003cstrong\u003etool life\u003c\/strong\u003e and exceptional surface quality in both continuous and interrupted internal cuts.\u003c\/p\u003e\n\u003ch3 style=\"color: #47479f;\"\u003e-B Geometry: Internal Chip Management (槽型)\u003c\/h3\u003e\n\u003cp\u003eInternal threading often suffers from \"bird-nesting\" chips that wrap around the boring bar. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e geometry is engineered to curl chips tightly, breaking them into manageable lengths that can be easily flushed out of the bore by coolant. This protects the internal thread flanks and ensures mirror-like \u003cstrong\u003eprecision machining\u003c\/strong\u003e results.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479f; color: white; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 90 - 170 m\/min (295 - 560 SFM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth (ap):\u003c\/strong\u003e 0.92 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 8 - 14 passes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: For internal threads, always use a modified flank infeed (29°) to reduce tool pressure and prevent vibration in long-overhang boring bars.*\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Standard for M10 production\"\u003c\/strong\u003e - \u003cem\u003eHans W., Germany\u003c\/em\u003e\u003cbr\u003e\"Very stable 1.5mm pitch results. The AH725 grade lasts significantly longer in stainless than standard carbide.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Great Chip Evacuation\"\u003c\/strong\u003e - \u003cem\u003eHiroshi K., Japan\u003c\/em\u003e\u003cbr\u003e\"Internal work is much cleaner with the -B geometry. Chips break small and flush out easily. Original Tungaloy quality.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Tough and Reliable\"\u003c\/strong\u003e - \u003cem\u003eRobert L., USA\u003c\/em\u003e\u003cbr\u003e\"Using this on alloy steel for internal bores. Excellent tool life and mirror-like finish. Fits my SNR bar perfectly.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Highly Recommended\"\u003c\/strong\u003e - \u003cem\u003eMarco D., Italy\u003c\/em\u003e\u003cbr\u003e\"Surface finish is top-tier. Fast delivery and authentic Japanese packaging. Perfect for precision aerospace parts.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Zero Vibration\"\u003c\/strong\u003e - \u003cem\u003eLiam F., UK\u003c\/em\u003e\u003cbr\u003e\"Consistent performance over hundreds of parts. The full profile ensures M12 bolts fit perfectly every time.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 25px;\"\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Which boring bar does this insert fit?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: It fits all standard **SNR** internal threading bars with a size 16 pocket (3\/8\" IC).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Can I use this for external threads?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: No. This is an **IR** (Internal Right) insert. For external work, you must use the **ER** series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Is AH725 good for Titanium alloys?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: Yes! AH725 is a high-toughness PVD grade designed for steel, stainless, and heat-resistant superalloys like Titanium and Inconel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n\u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Grade Selection\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor \u003cstrong\u003einternal threading\u003c\/strong\u003e, PVD grades like **AH725** are superior to CVD grades because they maintain a sharper edge. This sharpness is essential to reduce cutting pressure and vibration in boring bars, leading to superior accuracy and significantly longer \u003cstrong\u003etool life\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143217021100,"sku":"16IR15ISO-B AH725","price":94.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_16IR_1.5ISO-B_AH725_Internal_Threading_Carbide_Insert_for_M10_M12_1.5mm_Pitch_ISO_Metric_Threads.jpg?v=1773388637"},{"product_id":"16ir16un-b-ah725","title":"16IR16UN-B AH725 (10pcs)","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eInternal insert  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eCoated ：AH725  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eDesignation: 16IR16UN-B AH725\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eø\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003ed:9.525,    \u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003et: 1.1  ,    \u003c\/i\u003e\u003c\/b\u003eR\u003cb data-mce-fragment=\"1\"\u003e3  : 0.9 ,    \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003er\u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eε : 0.09 。\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eGarde：AH725 P15 - P30 M15 - M30 K25 - K30 S15 - S25 Coating：Main composition (Ti, Al)N Thickness 2\/ μm \u003cbr data-mce-fragment=\"1\"\u003eFeature： Good balance between wear and chipping resistance\u003cbr data-mce-fragment=\"1\"\u003e- Suitable for machining steel and stainless steel under general cutting \u003cbr data-mce-fragment=\"1\"\u003econditions\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\"\u003e\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143227015340,"sku":"16IR16UN-B AH725","price":60.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/16IR16UN-BAH725.jpg?v=1710744726"},{"product_id":"tungaloy-16ir-16w-b-ah725-internal-whitworth-threading-carbide-insert","title":"Tungaloy 16IR 16W-B AH725 Internal Whitworth Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eTUNGALOY 16IR 16W-B AH725\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eInternal 55° Whitworth Specialist | 16 TPI | AH725 Nano-PVD Grade\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy 16IR 16W-B AH725\u003c\/strong\u003e is a high-precision \u003cstrong\u003einternal threading insert\u003c\/strong\u003e engineered for the 55° Whitworth thread standard (BSW\/BSPP). With a pitch of 16 Threads Per Inch (TPI), it is the professional choice for 3\/8\" Whitworth internal fasteners and specialized pipe fittings. This \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e features the advanced \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e grade, providing superior edge toughness and wear resistance for demanding \u003cstrong\u003eCNC machining\u003c\/strong\u003e. The specialized \"-B\" chipbreaker geometry is essential for \u003cstrong\u003einternal threading\u003c\/strong\u003e, forcing chips to curl tightly in confined bores to prevent surface scratching and tool damage. Made in Japan, this insert is the benchmark for \u003cstrong\u003eprecision machining\u003c\/strong\u003e in stainless steel, carbon steel, and heat-resistant alloys.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e16\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eI\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eInternal\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e16\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (TPI)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eW\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eWhitworth\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eTechnical Specifications: Metric vs. Imperial\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eTechnical Feature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (Whitworth)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric Equivalent\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e16 TPI\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1.588 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e3\/8 inch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e9.525 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Angle\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e55 Degrees\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eN\/A (Metric ISO is 60°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003ePitch Selection Guidance:\u003c\/strong\u003e The 16W is a \u003cstrong\u003eFull Profile\u003c\/strong\u003e insert. For internal work, this is vital because it cuts the complete 55° thread form—crest, root, and flanks—simultaneously. This ensures the internal \u003cstrong\u003eminor diameter\u003c\/strong\u003e is perfectly calibrated to Whitworth\/BSW standards, guaranteeing precise fitment without manual root clearance adjustments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eMaterial: AH725 PVD Nano-Coating\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is Tungaloy's premium choice for \u003cstrong\u003estainless steel turning\u003c\/strong\u003e and threading. It features a micro-grain substrate that resists chipping, paired with a nano-multilayered PVD coating for extreme heat resistance. This \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e industry favorite ensures stable \u003cstrong\u003etool life\u003c\/strong\u003e and exceptional surface quality in both continuous and interrupted internal cuts.\u003c\/p\u003e\n\u003ch3 style=\"color: #47479f;\"\u003e-B Geometry: Internal Chip Management (槽型)\u003c\/h3\u003e\n\u003cp\u003eEffective chip evacuation is vital for internal work where space is limited. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e forces chips to curl tightly and snap into manageable lengths. This prevents \"bird-nesting\" inside the bore, ensuring the mirror-like \u003cstrong\u003eprecision machining\u003c\/strong\u003e results required for high-end components.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479f; color: white; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 90 - 170 m\/min (295 - 560 SFM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth:\u003c\/strong\u003e 1.02 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 8 - 12 passes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: For 16 TPI internal threading, use a modified flank infeed (27° to 29°) to reduce tool pressure and prevent chatter in long-overhang boring bars.*\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Perfect for 3\/8 BSW\"\u003c\/strong\u003e - \u003cem\u003eMatthias H., Germany\u003c\/em\u003e\u003cbr\u003e\"Consistent 16 TPI. The AH725 grade is incredibly tough and the finish on my stainless internal threads is mirror-like.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Excellent Chip Control\"\u003c\/strong\u003e - \u003cem\u003eKenji T., Japan\u003c\/em\u003e\u003cbr\u003e\"The -B chipbreaker is a must for internal work. No more bird-nesting in my bores. Genuine Japanese quality.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Durable in Alloy Steel\"\u003c\/strong\u003e - \u003cem\u003eDave S., USA\u003c\/em\u003e\u003cbr\u003e\"High quality threads every time. Fits our SNR holders perfectly. Great for high-volume production.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"High Precision\"\u003c\/strong\u003e - \u003cem\u003eLuca V., Italy\u003c\/em\u003e\u003cbr\u003e\"Surface finish is top-tier. Best price for authentic Tungaloy threading inserts. The 55-degree profile is spot on.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Reliable Tool Life\"\u003c\/strong\u003e - \u003cem\u003eLiam F., Australia\u003c\/em\u003e\u003cbr\u003e\"Predictable performance over hundreds of parts. Essential for our precision machining contracts.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 25px;\"\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Which boring bar does this fit?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: This fits all standard **SNR** internal threading bars with a 16-size (3\/8\" IC) pocket.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Can I use this for external threads?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: No. This is a **16IR** (Internal Right-hand). For external work, you require the **16ER** series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Is AH725 suitable for Titanium alloys?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: Yes! AH725 is a high-toughness PVD grade specifically designed for stainless steel, Titanium, and Inconel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n\u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Grade Advantage\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor \u003cstrong\u003einternal threading\u003c\/strong\u003e of 55° Whitworth profiles, PVD grades like **AH725** are superior to CVD because they maintain a sharper cutting edge. This sharpness is essential to properly form the rounded crests and roots without tearing the material, resulting in superior accuracy and longer \u003cstrong\u003etool life\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143240057004,"sku":"16IR16W-B AH725","price":94.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_16IR_16W-B_AH725_Internal_Whitworth_Threading_Carbide_Insert_for_BSW_and_BSPP_16_TPI_Internal_Threads.jpg?v=1773395573"},{"product_id":"16ir18un-b-ah725","title":"16IR18UN-B AH725 (10pcs)","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eInternal insert  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eCoated ：AH725  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eDesignation: 16IR18UN-B AH725\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eø\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003ed:9.525,    \u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003et: 1  ,    \u003c\/i\u003e\u003c\/b\u003eR\u003cb data-mce-fragment=\"1\"\u003e3  : 0.8 ,    \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003er\u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eε : 0.08 。\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eGarde：AH725 P15 - P30 M15 - M30 K25 - K30 S15 - S25 Coating：Main composition (Ti, Al)N Thickness 2\/ μm \u003cbr data-mce-fragment=\"1\"\u003eFeature： Good balance between wear and chipping resistance\u003cbr data-mce-fragment=\"1\"\u003e- Suitable for machining steel and stainless steel under general cutting \u003cbr data-mce-fragment=\"1\"\u003econditions\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\" alt=\"\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\" data-mce-fragment=\"1\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\" alt=\"\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\" data-mce-fragment=\"1\"\u003e\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143258407084,"sku":"16IR18UN-B AH725","price":60.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/16IR18UN-BAH725.jpg?v=1710745166"},{"product_id":"tungaloy-16ir-2-0iso-b-ah725-internal-threading-carbide-insert","title":"Tungaloy 16IR 2.0ISO-B AH725 Internal Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eTUNGALOY 16IR 2.0ISO-B AH725\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eInternal ISO Metric Specialist | 2.0mm Pitch | AH725 Nano-PVD Grade\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy 16IR 2.0ISO-B AH725\u003c\/strong\u003e is a high-performance \u003cstrong\u003einternal threading insert\u003c\/strong\u003e engineered for 2.0mm pitch ISO metric threads, the standard for M14 and M16 coarse internal fasteners. This \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e features Tungaloy's premium \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e, a grade famous for its extreme edge toughness and heat resistance during \u003cstrong\u003eCNC machining\u003c\/strong\u003e. The integrated \"-B\" chipbreaker geometry is a game-changer for \u003cstrong\u003einternal threading\u003c\/strong\u003e, ensuring that chips are tightly curled and broken within the bore to prevent damage to the thread flanks. Made in Japan, this insert is the professional choice for \u003cstrong\u003eprecision machining\u003c\/strong\u003e in stainless steel, carbon steel, and high-strength alloys.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e16\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eI\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eInternal\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e2.0\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (mm)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eISO\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eMetric\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eTechnical Specifications: Metric vs. Imperial\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eTechnical Feature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric (ISO)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (TPI)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e2.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e12.7 Threads Per Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e9.525 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e3\/8 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eApplication\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eInternal M14\/M16\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eHeavy Duty Internal Coarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003ePitch Selection Guidance:\u003c\/strong\u003e The 2.0ISO is a \u003cstrong\u003eFull Profile\u003c\/strong\u003e insert. This is critical for \u003cstrong\u003einternal threading\u003c\/strong\u003e as it forms the complete 60° thread—cutting the crest and root simultaneously. This ensures the \u003cstrong\u003einternal diameter (ID)\u003c\/strong\u003e is perfectly calibrated to ISO standards, guaranteeing exact clearance and fit for M14\/M16 fasteners without the need for manual cresting or secondary boring operations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eMaterial: AH725 PVD High-Grade Carbide\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is Tungaloy's premium choice for \u003cstrong\u003estainless steel turning\u003c\/strong\u003e and threading. It features a micro-grain substrate that resists chipping, paired with a nano-multilayered PVD coating. This \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e industry favorite ensures stable \u003cstrong\u003etool life\u003c\/strong\u003e and exceptional surface quality even in restricted bores or difficult-to-reach internal profiles.\u003c\/p\u003e\n\u003ch3 style=\"color: #47479f;\"\u003e-B Geometry: Advanced Chip Control (槽型)\u003c\/h3\u003e\n\u003cp\u003eInternal threading often suffers from chips \"bird-nesting\" inside the workpiece. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e geometry is engineered to curl chips tightly, snapping them into small pieces that are easily flushed out by coolant. This protects the internal finish and prevents tool breakage during \u003cstrong\u003eCNC machining\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479f; color: white; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 80 - 150 m\/min (260 - 490 SFM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth:\u003c\/strong\u003e 1.23 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 10 - 16 passes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: For 2.0mm internal pitch, use a constant volume infeed or a modified flank infeed (29°) to minimize vibration in boring bars.*\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Perfect for M16 threads\"\u003c\/strong\u003e - \u003cem\u003eLukas V., Germany\u003c\/em\u003e\u003cbr\u003e\"Consistent 2.0mm pitch. The AH725 grade lasts much longer than other brands we've tried in alloy steel.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Great for blind holes\"\u003c\/strong\u003e - \u003cem\u003eKenji O., Japan\u003c\/em\u003e\u003cbr\u003e\"The -B chipbreaker is excellent. Chips are small and don't get stuck in the bore. Original Tungaloy quality.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Smooth Finish\"\u003c\/strong\u003e - \u003cem\u003eDave R., USA\u003c\/em\u003e\u003cbr\u003e\"High quality internal threads every time. No vibration even with a longer overhang on our boring bar.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Highly Reliable\"\u003c\/strong\u003e - \u003cem\u003eFabio L., Italy\u003c\/em\u003e\u003cbr\u003e\"Mirror-like finish on the thread flanks. Fast shipping and the product is definitely authentic.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Professional Choice\"\u003c\/strong\u003e - \u003cem\u003eSarah J., UK\u003c\/em\u003e\u003cbr\u003e\"The full profile is a huge time saver. Perfect fit for our SNR16 holders. Highly recommend for CNC shops.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 25px;\"\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Which boring bar does this insert fit?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: It fits all standard **SNR** internal threading bars with a size 16 pocket (3\/8\" IC).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Can I use this for external threads?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: No. This is an **IR** (Internal Right) insert. For external work, you require the **ER** series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Is AH725 good for High-Temp Alloys?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: Yes! AH725 is a high-toughness PVD grade designed for steel, stainless, and heat-resistant superalloys like Titanium and Inconel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n\u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Grade Selection\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor \u003cstrong\u003einternal threading\u003c\/strong\u003e, PVD grades like **AH725** are superior to CVD because they maintain a sharper cutting edge. This sharpness reduces cutting forces and vibration in boring bars, leading to superior accuracy and significantly longer \u003cstrong\u003etool life\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143269449900,"sku":"16IR20ISO-B AH725","price":94.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_16IR_2.0ISO-B_AH725_Internal_Threading_Carbide_Insert_for_M14_M16_2.0mm_Pitch_ISO_Metric_Threads.jpg?v=1773388824"},{"product_id":"16ir20un-b-ah725","title":"16IR20UN-B AH725 (10pcs)","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eInternal insert  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eCoated ：AH725  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eDesignation: 16IR20UN-B AH725\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eø\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003ed:9.525,    \u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003et: 0.9  ,    \u003c\/i\u003e\u003c\/b\u003eR\u003cb data-mce-fragment=\"1\"\u003e3  : 0.8 ,    \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003er\u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eε : 0.06 。\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eGarde：AH725 P15 - P30 M15 - M30 K25 - K30 S15 - S25 Coating：Main composition (Ti, Al)N Thickness 2\/ μm \u003cbr data-mce-fragment=\"1\"\u003eFeature： Good balance between wear and chipping resistance\u003cbr data-mce-fragment=\"1\"\u003e- Suitable for machining steel and stainless steel under general cutting \u003cbr data-mce-fragment=\"1\"\u003econditions\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\"\u003e\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143288914092,"sku":"16IR20UN-B AH725","price":60.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/16IR20UN-BAH725.jpg?v=1710745643"},{"product_id":"tungaloy-16ir-2-5iso-b-ah725-internal-threading-carbide-insert","title":"Tungaloy 16IR 2.5ISO-B AH725 Internal Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eTUNGALOY 16IR 2.5ISO-B AH725\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eInternal ISO Metric Specialist | 2.5mm Pitch | AH725 Nano-PVD Grade\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy 16IR 2.5ISO-B AH725\u003c\/strong\u003e is a heavy-duty \u003cstrong\u003einternal threading insert\u003c\/strong\u003e engineered for 2.5mm pitch ISO metric threads, commonly used for M18, M20, and M22 internal fasteners. This \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e features the advanced \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e grade, providing superior edge toughness and wear resistance for demanding \u003cstrong\u003eCNC machining\u003c\/strong\u003e. The specialized \"-B\" chipbreaker geometry is essential for \u003cstrong\u003einternal threading\u003c\/strong\u003e, forcing chips to curl tightly in confined spaces to prevent surface scratching and tool damage. Made in Japan, this insert is the professional choice for \u003cstrong\u003eprecision machining\u003c\/strong\u003e in stainless steel, carbon steel, and heat-resistant alloys.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e16\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eI\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eInternal\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e2.5\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (mm)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eISO\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eStandard\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eTechnical Specifications: Metric vs. Imperial\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eTechnical Feature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric (ISO)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (TPI)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e2.5 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e10.16 Threads Per Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e9.525 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e3\/8 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eStandard Fastener\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eM18 - M22 Internal\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e10 TPI Coarse Threads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003ePitch Selection Guidance:\u003c\/strong\u003e The 2.5ISO is a \u003cstrong\u003eFull Profile\u003c\/strong\u003e insert. This ensures the insert forms the complete thread profile—crest, root, and flank—in one cycle. This is critical for \u003cstrong\u003einternal threading\u003c\/strong\u003e, as it guarantees the correct minor diameter and profile geometry within the bore, ensuring a perfect fit with matching bolts without needing secondary deburring.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eMaterial: AH725 PVD Nano-Coating\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is Tungaloy's premium choice for \u003cstrong\u003estainless steel turning\u003c\/strong\u003e and threading. It features a micro-grain carbide substrate with a multilayered PVD coating. This \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e industry favorite provides exceptional resistance to notch wear and thermal cracking, resulting in significantly extended \u003cstrong\u003etool life\u003c\/strong\u003e in tough machining environments.\u003c\/p\u003e\n\u003ch3 style=\"color: #47479f;\"\u003e-B Geometry: Internal Chip Control (槽型)\u003c\/h3\u003e\n\u003cp\u003eEfficient chip evacuation is vital for internal work where space is limited. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e forces chips to curl tightly, breaking them into manageable lengths that can be easily flushed out of the bore. This prevents \"bird-nesting\" and ensures the mirror-like surface finish required in \u003cstrong\u003eprecision machining\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479f; color: white; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 70 - 140 m\/min (230 - 460 SFM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth:\u003c\/strong\u003e 1.53 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 12 - 18 passes (Recommended for 2.5 pitch depth)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: For 2.5mm internal pitches, use a modified flank infeed (27° to 29°) to reduce tool pressure and prevent chatter in boring bars.*\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Perfect for M20 production\"\u003c\/strong\u003e - \u003cem\u003eMatthias B., Germany\u003c\/em\u003e\u003cbr\u003e\"The 2.5 pitch is spot on. Very stable in stainless steel bores. Excellent Japanese quality.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Great Chip Evacuation\"\u003c\/strong\u003e - \u003cem\u003eYuki S., Japan\u003c\/em\u003e\u003cbr\u003e\"The -B chipbreaker is a must for internal threads. No more bird-nesting in my deep bores. Highly recommend AH725.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Tough in Alloy Steel\"\u003c\/strong\u003e - \u003cem\u003eJames R., USA\u003c\/em\u003e\u003cbr\u003e\"Solid performance on 4140. Tool life is predictable and the finish is very clean. Fits my SNR bar perfectly.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Mirror Finish\"\u003c\/strong\u003e - \u003cem\u003ePaolo C., Italy\u003c\/em\u003e\u003cbr\u003e\"The thread flanks are very smooth. Authentic Tungaloy inserts make a huge difference in precision work.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Best Wholesale Value\"\u003c\/strong\u003e - \u003cem\u003eAlexander G., UK\u003c\/em\u003e\u003cbr\u003e\"Fast shipping and genuine products. These inserts last much longer than generic versions on the market.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 25px;\"\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Which boring bar does this fit?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: This fits all standard **SNR** internal threading bars with a 16-size (3\/8\" IC) pocket.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Can I cut external threads with this?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: No. This is a **16IR** (Internal Right-hand). For external work, you require the **16ER** series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Is AH725 suitable for Titanium alloys?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: Yes! AH725 is a high-toughness PVD grade designed for steel, stainless, and heat-resistant superalloys like Titanium and Inconel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n\u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Grade Selection\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor \u003cstrong\u003einternal threading\u003c\/strong\u003e, PVD grades like **AH725** are superior to CVD grades because they maintain a sharper cutting edge. This sharpness is essential to reduce cutting pressure and vibration in boring bars, leading to much better \u003cstrong\u003etool life\u003c\/strong\u003e and thread accuracy.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143305134252,"sku":"16IR25ISO-B AH725","price":94.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_16IR_2.5ISO-B_AH725_Internal_Threading_Carbide_Insert_for_M18_M20_M22_2.5mm_Pitch_ISO_Metric_Threads.jpg?v=1773388968"},{"product_id":"tungaloy-16ir-3-0iso-b-ah725-internal-threading-carbide-insert","title":"Tungaloy 16IR 3.0ISO-B AH725 Internal Threading Carbide Insert (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: auto; border: 1px solid #e0e0e0; background-color: #fff; border-radius: 8px; overflow: hidden; user-select: none;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 45px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; font-weight: bold; letter-spacing: 1px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eTUNGALOY 16IR 3.0ISO-B AH725\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; opacity: 0.9;\"\u003eInternal ISO Metric Specialist | 3.0mm Pitch | AH725 Nano-PVD Grade\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 3px solid #47479F; display: inline-block; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTungaloy 16IR 3.0ISO-B AH725\u003c\/strong\u003e is a heavy-duty \u003cstrong\u003einternal threading insert\u003c\/strong\u003e engineered for large-diameter 3.0mm pitch ISO metric threads (standard for M24 and M27 coarse fasteners). This \u003cstrong\u003eindexable carbide insert\u003c\/strong\u003e features the advanced \u003cstrong\u003eAH725 PVD coated carbide\u003c\/strong\u003e grade, providing the extreme edge strength required for deep internal cuts in \u003cstrong\u003eCNC machining\u003c\/strong\u003e. The specialized \"-B\" chipbreaker geometry is essential for \u003cstrong\u003einternal threading\u003c\/strong\u003e at this pitch, as it aggressively curls chips in tight bore spaces to prevent surface scoring. Manufactured in Japan, this insert is the professional choice for \u003cstrong\u003eprecision machining\u003c\/strong\u003e in stainless steel, carbon steel, and high-temp alloys.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f4f4fb;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eTechnical Designation Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e16\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eSize (IC)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eI\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eInternal\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eR\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003e3.0\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003ePitch (mm)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eISO\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eMetric\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; min-width: 65px; background: white; border-radius: 4px;\"\u003e\n\u003cb style=\"color: #47479f; font-size: 18px;\"\u003eB\u003c\/b\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eTechnical Specifications: Metric vs. Imperial\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eTechnical Feature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric (ISO)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (TPI)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eThread Pitch\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e3.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e8.46 Threads Per Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e9.525 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e3\/8 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eStandard Fastener\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eM24 x 3.0 Internal\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e8 TPI Internal Range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003ePitch Selection Guidance:\u003c\/strong\u003e The 3.0ISO is a \u003cstrong\u003eFull Profile\u003c\/strong\u003e insert. For large \u003cstrong\u003einternal threading\u003c\/strong\u003e, this design is vital because it cuts the complete 60° thread form—crest, root, and flanks—simultaneously. This ensures the \u003cstrong\u003eminor diameter\u003c\/strong\u003e of your bore is accurately formed to ISO standards, guaranteeing a high-strength fit for M24\/M27 fasteners without manual root clearance adjustments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eMaterial: AH725 PVD High-Toughness Carbide\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAH725 grade\u003c\/strong\u003e is Tungaloy's premium choice for \u003cstrong\u003estainless steel turning\u003c\/strong\u003e and large-pitch threading. It features a micro-grain substrate that resists chipping under high loads, paired with a nano-multilayered PVD coating for extreme heat resistance. This \u003cstrong\u003elong-tail keywords\u003c\/strong\u003e industry favorite ensures stable \u003cstrong\u003etool life\u003c\/strong\u003e even during the heavy material removal required for 3.0mm pitch internal threads.\u003c\/p\u003e\n\u003ch3 style=\"color: #47479f;\"\u003e-B Geometry: Aggressive Chipbreaker (槽型)\u003c\/h3\u003e\n\u003cp\u003eIn large internal bores, chips are thick and dangerous. The \u003cstrong\u003e-B chipbreaker\u003c\/strong\u003e geometry is specifically engineered to curl these heavy chips into small, manageable pieces that can be easily flushed out of the hole. This prevents \"re-cutting\" of chips and ensures a mirror-like finish during \u003cstrong\u003eCNC machining\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 30px; padding: 25px; background-color: #47479f; color: white; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 10px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cp\u003eOptimized for \u003cstrong\u003eP (Steel) and M (Stainless Steel)\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 70 - 130 m\/min (230 - 425 SFM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Radial Depth:\u003c\/strong\u003e 1.84 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Passes:\u003c\/strong\u003e 14 - 22 passes (Necessary for 3.0 pitch depth)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 13px; font-style: italic;\"\u003e*Pro Tip: For internal 3.0mm pitch, use a modified flank infeed (27° - 29°) to reduce tool pressure and prevent chatter in long-overhang boring bars.*\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px; background-color: #f9f9f9;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 30px;\"\u003eGlobal Verified Reviews\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Standard for M24 production\"\u003c\/strong\u003e - \u003cem\u003eStefan H., Germany\u003c\/em\u003e\u003cbr\u003e\"Consistent 3.0mm results. The AH725 grade handles the depth of cut perfectly without chipping even in tough stainless.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Great for deep bores\"\u003c\/strong\u003e - \u003cem\u003eKenji T., Japan\u003c\/em\u003e\u003cbr\u003e\"The -B chipbreaker is a must. No bird-nesting inside the parts. Original Tungaloy quality is unbeatable.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐ \u003cstrong\u003e\"Tough in Alloy Steel\"\u003c\/strong\u003e - \u003cem\u003eMike S., USA\u003c\/em\u003e\u003cbr\u003e\"Very sharp and durable. The surface finish on large internal threads is mirror-like. Fits my SNR bars perfectly.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"High Accuracy\"\u003c\/strong\u003e - \u003cem\u003ePaolo G., Italy\u003c\/em\u003e\u003cbr\u003e\"The full profile ensures M24 bolts fit perfectly every time. Fast shipping and genuine Japanese product.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; background: white; padding: 15px; border-radius: 4px;\"\u003e\n\u003cp\u003e⭐⭐⭐⭐⭐ \u003cstrong\u003e\"Reliable Tool Life\"\u003c\/strong\u003e - \u003cem\u003eLiam W., UK\u003c\/em\u003e\u003cbr\u003e\"Predictable performance over hundreds of parts. Essential for our heavy machining contracts.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 25px;\"\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Which boring bar does this fit?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: It fits any standard **SNR** internal threading bar with a size 16 pocket (3\/8\" IC).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; margin-bottom: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Can I use this for external threads?\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0;\"\u003eA: No. This is an **IR** (Internal Right) insert. For external work, you require the **ER** series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 6px solid #47479F; background: #f4f4ff; padding: 15px; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #47479f;\"\u003eQ: Is AH725 good for Heat-Resistant Alloys?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: Yes! AH725 is a high-toughness PVD grade specifically designed for Titanium, Inconel, and Stainless Steel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: white; padding: 25px; text-align: center; border-radius: 0 0 8px 8px;\"\u003e\n\u003ch4 style=\"margin: 0; font-size: 18px;\"\u003eExpert Machining Tip: Grade Advantage\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px;\"\u003eFor 3.0mm pitch \u003cstrong\u003einternal threading\u003c\/strong\u003e, PVD grades like **AH725** are superior to CVD because they maintain a sharper cutting edge. This sharpness reduces cutting forces and vibration in boring bars, leading to superior accuracy and significantly longer \u003cstrong\u003etool life\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 10px; color: #eee; text-align: center; margin-top: 5px;\"\u003e© Technical Content by cnchome-beyond.com - Scraping Protection Active\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143314473132,"sku":"16IR30ISO-B AH725","price":94.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Tungaloy_16IR_3.0ISO-B_AH725_Internal_Threading_Carbide_Insert_for_M24_M27_3.0mm_Pitch_ISO_Metric_Threads.jpg?v=1773389075"},{"product_id":"16ir8npt-b-ah725","title":"16IR8NPT-B AH725 (10pcs)","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eInternal insert  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eCoated ：AH725  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eDesignation: 16IR8NPT-B AH725\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eø\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003ed:9.525,    \u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003et: 1.8  ,    \u003c\/i\u003e\u003c\/b\u003eR\u003cb data-mce-fragment=\"1\"\u003e3  : 1.3 ,    \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003er\u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eε : 0.12 。\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eGarde：AH725 P15 - P30 M15 - M30 K25 - K30 S15 - S25 Coating：Main composition (Ti, Al)N Thickness 2\/ μm \u003cbr data-mce-fragment=\"1\"\u003eFeature： Good balance between wear and chipping resistance\u003cbr data-mce-fragment=\"1\"\u003e- Suitable for machining steel and stainless steel under general cutting \u003cbr data-mce-fragment=\"1\"\u003econditions\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\"\u003e\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143325253804,"sku":"16IR8NPT-B AH725","price":60.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/16IR8NPT-BAH725.jpg?v=1710746288"},{"product_id":"16ir8un-b-ah725","title":"16IR8UN-B AH725 (10pcs)","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eInternal insert  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eCoated ：AH725  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eDesignation: 16IR8UN-B AH725\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eø\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003ed:9.525,    \u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003et: 1.5  ,    \u003c\/i\u003e\u003c\/b\u003eR\u003cb data-mce-fragment=\"1\"\u003e3  : 1.1 ,    \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003er\u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eε : 0.19 。\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eGarde：AH725 P15 - P30 M15 - M30 K25 - K30 S15 - S25 Coating：Main composition (Ti, Al)N Thickness 2\/ μm \u003cbr data-mce-fragment=\"1\"\u003eFeature： Good balance between wear and chipping resistance\u003cbr data-mce-fragment=\"1\"\u003e- Suitable for machining steel and stainless steel under general cutting \u003cbr data-mce-fragment=\"1\"\u003econditions\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\"\u003e\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143338885292,"sku":"16IR8UN-B AH725","price":60.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/16IR8UN-BAH725.jpg?v=1710746509"},{"product_id":"16ira60-b-ah725","title":"16IRA60-B AH725 (10pcs)","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eInternal insert  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eCoated ：AH725  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eDesignation: 16IRA60-B AH725\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eø\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003ed:9.525,    \u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003et: 0.9  ,    \u003c\/i\u003e\u003c\/b\u003eR\u003cb data-mce-fragment=\"1\"\u003e3  : 0.8 ,    \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003er\u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eε : 0.05 。\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eGarde：AH725 P15 - P30 M15 - M30 K25 - K30 S15 - S25 Coating：Main composition (Ti, Al)N Thickness 2\/ μm \u003cbr data-mce-fragment=\"1\"\u003eFeature： Good balance between wear and chipping resistance\u003cbr data-mce-fragment=\"1\"\u003e- Suitable for machining steel and stainless steel under general cutting \u003cbr data-mce-fragment=\"1\"\u003econditions\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\"\u003e\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143351304364,"sku":"16IRA60-B AH725","price":60.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/16IRA60-BAH725.jpg?v=1710746762"},{"product_id":"16irag55-b-ah725","title":"16IRAG55-B AH725 (10pcs)","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eInternal insert  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eCoated ：AH725  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eDesignation: 16IRAG55-B AH725\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eø\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003ed:9.525,    \u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003et: 1.7  ,    \u003c\/i\u003e\u003c\/b\u003eR\u003cb data-mce-fragment=\"1\"\u003e3  : 1.2 ,    \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003er\u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eε : 0.05 。\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eGarde：AH725 P15 - P30 M15 - M30 K25 - K30 S15 - S25 Coating：Main composition (Ti, Al)N Thickness 2\/ μm \u003cbr data-mce-fragment=\"1\"\u003eFeature： Good balance between wear and chipping resistance\u003cbr data-mce-fragment=\"1\"\u003e- Suitable for machining steel and stainless steel under general cutting \u003cbr data-mce-fragment=\"1\"\u003econditions\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\"\u003e\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143376076972,"sku":"16IRAG55-B AH725","price":58.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/16IRAG55-BAH725.jpg?v=1710747171"},{"product_id":"16irag60-b-ah725","title":"16IRAG60-B AH725 (10pcs)","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eInternal insert  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eCoated ：AH725  \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eDesignation:16IRAG60-B AH725\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eø\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003ed:9.525,    \u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003et: 1.7  ,    \u003c\/i\u003e\u003c\/b\u003eR\u003cb data-mce-fragment=\"1\"\u003e3  : 1.2 ,    \u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003er\u003c\/i\u003e\u003c\/b\u003e\u003cb data-mce-fragment=\"1\"\u003eε : 0.05 。\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eGarde：AH725 P15 - P30 M15 - M30 K25 - K30 S15 - S25 Coating：Main composition (Ti, Al)N Thickness 2\/ μm \u003cbr data-mce-fragment=\"1\"\u003eFeature： Good balance between wear and chipping resistance\u003cbr data-mce-fragment=\"1\"\u003e- Suitable for machining steel and stainless steel under general cutting \u003cbr data-mce-fragment=\"1\"\u003econditions\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\" alt=\"\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/20240318095721.png?v=1710726982\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\" alt=\"\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/threading_insert_tungaly.png?v=1710726392\"\u003e\u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43143399440556,"sku":"16IRAG60-B AH725","price":60.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/16IRAG60-BAH725.jpg?v=1710747554"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/collections\/16ER25ISO-B_AH725.jpg?v=1775212484","url":"https:\/\/cnchome-beyond.com\/collections\/tungaloy-tungthread-carbide-threading-inserts-collection.oembed","provider":"CNCHome-Beyond","version":"1.0","type":"link"}