{"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","url":"https:\/\/cnchome-beyond.com\/products\/16ir14un-b-ah725-tungaloy-un-threading-insert","provider":"CNCHome-Beyond","version":"1.0","type":"link"}