{"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","url":"https:\/\/cnchome-beyond.com\/products\/tungaloy-11ir-0-5iso-b-ah725-internal-threading-carbide-insert","provider":"CNCHome-Beyond","version":"1.0","type":"link"}