{"product_id":"taegutec-tnmg-160404l-vf-tt8125-cvd-insert-left-hand-steel-finishing","title":"Taegutec TNMG 160404L-VF TT8125 CVD Insert Left-Hand Steel Finishing (10pcs)","description":"\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; line-height: 1.6; color: #333; max-width: 100%; margin: 0 auto; overflow-x: hidden;\"\u003e\n\u003cheader style=\"background-color: #47479f; padding: 45px 20px; text-align: center; border-radius: 4px; margin-bottom: 35px;\"\u003e\n\u003ch1 style=\"color: #ffffff; margin: 0; font-size: 26px; font-weight: bold; text-transform: uppercase; letter-spacing: 0.5px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eTaeguTec TNMG 160404L-VF TT8125\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"color: #e0e0ff; margin-top: 10px; font-size: 1.1em; font-weight: 300;\"\u003ePrecision Left-Hand CVD Carbide for Elite Steel Finishing\u003c\/p\u003e\n\u003c\/header\u003e\n\u003csection style=\"padding: 10px 20px; margin-bottom: 35px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 6px solid #47479F; padding-left: 15px; font-size: 22px; text-transform: uppercase;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cdiv style=\"background: #f9f9fb; padding: 25px; border-radius: 8px; border: 1px solid #eee;\"\u003e\n\u003cp style=\"font-size: 1.1em; color: #444; font-weight: 500; margin-bottom: 15px;\"\u003e\u003cem\u003e\"Which left-hand insert offers the best balance of tool life and surface finish for high-precision steel turning?\"\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eTaeguTec TNMG 160404L-VF TT8125\u003c\/strong\u003e is a specialized \u003cstrong\u003eLeft-Hand (L)\u003c\/strong\u003e turning insert optimized for \u003cstrong\u003eISO P (Steel)\u003c\/strong\u003e. The \u003cstrong\u003eTT8125 grade\u003c\/strong\u003e is a versatile multi-layered CVD coated carbide that delivers exceptional toughness and wear resistance across a wide range of cutting speeds. The \u003cstrong\u003eVF (Very Fine) chipbreaker\u003c\/strong\u003e is precision-ground to manage chips during light finishing passes, preventing the re-cutting of chips that leads to surface Ra degradation. With a \u003cstrong\u003e0.4mm corner radius\u003c\/strong\u003e, this insert is the go-to choice for finishing parts with tight tolerances and complex profiles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 10px 20px; margin-bottom: 35px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 6px solid #47479F; padding-left: 15px; font-size: 22px; text-transform: uppercase;\"\u003eKey Core Advantages\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px; margin-top: 20px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px; padding: 20px; border: 1px solid #47479F; border-radius: 8px; background: #fff;\"\u003e\n\u003cstrong style=\"color: #47479f; font-size: 1.1em;\"\u003eAdvanced TT8125 CVD Grade\u003c\/strong\u003e\n\u003cp style=\"margin-top: 8px;\"\u003eMulti-layer coating provides a robust thermal barrier, significantly extending tool life in alloy steel and carbon steel applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px; padding: 20px; border: 1px solid #47479F; border-radius: 8px; background: #fff;\"\u003e\n\u003cstrong style=\"color: #47479f; font-size: 1.1em;\"\u003eVF Chipbreaking Logic\u003c\/strong\u003e\n\u003cp style=\"margin-top: 8px;\"\u003eSpecifically engineered for light depths of cut, ensuring a clean break even on \"stringy\" low-carbon steels.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px; padding: 20px; border: 1px solid #47479F; border-radius: 8px; background: #fff;\"\u003e\n\u003cstrong style=\"color: #47479f; font-size: 1.1em;\"\u003eDimensional Stability\u003c\/strong\u003e\n\u003cp style=\"margin-top: 8px;\"\u003eLow cutting forces and sharp edge geometry prevent workpiece deflection, maintaining strict tolerances across long production runs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 10px 20px; margin-bottom: 35px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 6px solid #47479F; padding-left: 15px; font-size: 22px; text-transform: uppercase;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"margin: 25px 0; border: 2px solid #47479F; padding: 20px; border-radius: 8px; background-color: #fafafa;\"\u003e\n\u003ch3 style=\"margin-top: 0; font-size: 1.2em; color: #47479f; text-align: center;\"\u003eModel Breakdown: TNMG 160404L-VF\u003c\/h3\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 10px; font-family: monospace; font-size: 1.1em; margin-top: 15px; justify-content: center;\"\u003e\n\u003cdiv style=\"border: 1px solid #ccc; padding: 10px; text-align: center; flex: 1; min-width: 70px; background: #fff;\"\u003e\n\u003cstrong\u003eT\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eTriangle\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; flex: 1; min-width: 70px; background: #f0f0ff;\"\u003e\n\u003cstrong\u003eN\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eNegative\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #ccc; padding: 10px; text-align: center; flex: 1; min-width: 70px; background: #fff;\"\u003e\n\u003cstrong\u003eM\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eTolerance\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; flex: 1; min-width: 70px; background: #f0f0ff;\"\u003e\n\u003cstrong\u003eG\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eHole\/Chip\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #ccc; padding: 10px; text-align: center; flex: 1; min-width: 70px; background: #fff;\"\u003e\n\u003cstrong\u003e160404\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e0.4 Rad\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; flex: 1; min-width: 70px; background: #f0f0ff;\"\u003e\n\u003cstrong\u003eL-VF\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eLH Fine\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 20px 0;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eSystem\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eFull Code\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eI.C. \/ Thk\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eRadius\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;\"\u003eMetric (ISO)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eTNMG 160404L-VF\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e9.525 \/ 4.76 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eImperial (ANSI)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eTNMG 331L-VF\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3\/8\" \/ 3\/16\"\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e1\/64\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eRecommended Cutting Parameters (TT8125)\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 25px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f2f2f2;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eWorkpiece (ISO P)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eVc (m\/min)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003efn (mm\/rev)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eLow Carbon Steel\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e200 - 350\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.05 - 0.20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eAlloy Steel (e.g. 4140)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e160 - 280\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.05 - 0.15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 20px; text-align: center; border-radius: 8px; background: #fff;\"\u003e\n\u003cp style=\"margin: 0; font-weight: bold; color: #47479f;\"\u003eEssential Tooling Pairing\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 10px 20px; background: #f4f4f4; margin-bottom: 35px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 6px solid #47479F; padding-left: 15px; font-size: 22px; text-transform: uppercase;\"\u003eApplications \u0026amp; Device Compatibility\u003c\/h2\u003e\n\u003cul style=\"padding-left: 20px; line-height: 2;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Finishing:\u003c\/strong\u003e Final pass on shafts, bushings, and tight-tolerance bores.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplex Geometries:\u003c\/strong\u003e Left-hand orientation allows for specific profiling and back-turning operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlloy Steel Specialists:\u003c\/strong\u003e Superior performance on pre-hardened and annealed steels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Industry-standard fit for all 16mm triangular Left-hand toolholders (MTJNL, PSSNL, etc.).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 10px 20px; margin-bottom: 35px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 6px solid #47479F; padding-left: 15px; font-size: 22px; text-transform: uppercase;\"\u003eTaeguTec Steel Grade Matrix\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; min-width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #47479F; color: white;\"\u003e\n\u003cth style=\"padding: 12px;\"\u003eGrade\u003c\/th\u003e\n\u003cth style=\"padding: 12px;\"\u003eOperation\u003c\/th\u003e\n\u003cth style=\"padding: 12px;\"\u003eMain Benefit\u003c\/th\u003e\n\u003cth style=\"padding: 12px;\"\u003eCoating\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0f0ff; font-weight: bold; border: 2px solid #47479F;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003eTT8125\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eGeneral Finishing\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eVersatility \u0026amp; Toughness\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eCVD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eTT8115\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eHigh-Speed Finishing\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eHeat Resistance\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCVD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eTT9225\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eGeneral Purpose\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eProcess Reliability\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCVD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 10px 20px; margin-bottom: 35px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 6px solid #47479F; padding-left: 15px; font-size: 22px; text-transform: uppercase;\"\u003eWhy Professional Machinists Choose TT8125?\u003c\/h2\u003e\n\u003cp\u003eMachining steel requires a delicate balance of hardness to resist wear and toughness to prevent chipping. The \u003cstrong\u003eTNMG 160404L-VF TT8125\u003c\/strong\u003e is specifically formulated for this purpose. The \u003cstrong\u003eVF chipbreaker\u003c\/strong\u003e provides elite performance during the most critical stage of production: the final pass. By ensuring the chip is managed and heat is evacuated efficiently, the TT8125 allows for higher cutting speeds without compromising the workpiece surface. For shops running automated lines, the consistency of this grade is a key factor in reducing manual inspections and rework.\u003c\/p\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 15px; margin-top: 25px;\"\u003e\n\u003cdiv style=\"padding: 15px; border: 1px solid #ddd; border-radius: 8px; background: #fff;\"\u003e\n\u003cdiv style=\"color: #f1c40f; margin-bottom: 5px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"font-size: 0.9em; font-style: italic;\"\u003e\"Superior surface finish on our alloy steel shafts. The left-hand orientation was exactly what we needed for our specific CNC setup.\"\u003c\/p\u003e\n\u003csmall\u003e\u003cstrong\u003e— David R., USA\u003c\/strong\u003e\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 15px; border: 1px solid #ddd; border-radius: 8px; background: #fff;\"\u003e\n\u003cdiv style=\"color: #f1c40f; margin-bottom: 5px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"font-size: 0.9em; font-style: italic;\"\u003e\"Perfekte Spanabfuhr bei geringer Schnitttiefe. TT8125 ist sehr stabil.\"\u003c\/p\u003e\n\u003csmall\u003e\u003cstrong\u003e— Klaus H., Germany\u003c\/strong\u003e\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 15px; border: 1px solid #ddd; border-radius: 8px; background: #fff;\"\u003e\n\u003cdiv style=\"color: #f1c40f; margin-bottom: 5px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"font-size: 0.9em; font-style: italic;\"\u003e\"Ottima durata del tagliente. La finitura Ra è costante in tutto il lotto.\"\u003c\/p\u003e\n\u003csmall\u003e\u003cstrong\u003e— Paolo M., Italy\u003c\/strong\u003e\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 15px; border: 1px solid #ddd; border-radius: 8px; background: #fff;\"\u003e\n\u003cdiv style=\"color: #f1c40f; margin-bottom: 5px;\"\u003e★★★★☆\u003c\/div\u003e\n\u003cp style=\"font-size: 0.9em; font-style: italic;\"\u003e\"Very reliable finishing tool. Highly recommended for automated CNC turning.\"\u003c\/p\u003e\n\u003csmall\u003e\u003cstrong\u003e— Yuki S., Japan\u003c\/strong\u003e\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 10px 20px; margin-bottom: 35px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 6px solid #47479F; padding-left: 15px; font-size: 22px; text-transform: uppercase;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 15px;\"\u003e\n\u003cdiv style=\"margin-bottom: 10px; padding: 15px; background: #f9f9f9; border-radius: 4px;\"\u003e\n\u003cstrong\u003eQ: What makes the \"L\" model different?\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eA: The \"L\" stands for Left-Hand. This insert must be used with a Left-Hand (LH) toolholder and is typical for specific CNC configurations or back-turning.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 10px; padding: 15px; background: #f9f9f9; border-radius: 4px;\"\u003e\n\u003cstrong\u003eQ: Is TT8125 tougher than TT8115?\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eA: Yes. TT8125 offers better toughness for general finishing and slight interruptions, whereas TT8115 is geared towards maximum speed in continuous cuts.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 10px; padding: 15px; background: #f9f9f9; border-radius: 4px;\"\u003e\n\u003cstrong\u003eQ: What depth of cut is best for the VF chipbreaker?\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eA: The VF works best at shallow depths of cut, typically between 0.1mm and 1.5mm, for finishing passes.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cfooter style=\"padding: 25px; background: #47479F; color: #ffffff; text-align: center; border-radius: 4px;\"\u003e\n\u003cp style=\"margin: 0; font-weight: bold;\"\u003eSelection Tip: If you need versatility across multiple steel types with high-gloss finish requirements, the TT8125 is the safest industrial choice.\u003c\/p\u003e\n\u003c\/footer\u003e\n\u003c\/div\u003e","brand":"taegutec","offers":[{"title":"Default Title","offer_id":43340906725548,"sku":"TNMG160404L-VF TT8125","price":128.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/TaeguTec_TNMG_160404L-VF_TT8125_left-hand_triangular_CVD_carbide_insert_for_precision_steel_finishing..jpg?v=1776838503","url":"https:\/\/cnchome-beyond.com\/products\/taegutec-tnmg-160404l-vf-tt8125-cvd-insert-left-hand-steel-finishing","provider":"CNCHome-Beyond","version":"1.0","type":"link"}