{"product_id":"taegutec-tnmg-160408-pc-tt8125-cvd-insert-cast-iron-steel-turning","title":"Taegutec TNMG 160408 PC TT8125 CVD Insert for Cast Iron \u0026 Steel Turning (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, 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: 40px 20px; text-align: center; border-radius: 4px; margin-bottom: 30px;\"\u003e\n\u003ch1 style=\"color: #ffffff; margin: 0; font-size: 26px; font-weight: bold; text-transform: uppercase;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eTaeguTec TNMG 160408 PC TT8125\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"color: #e0e0ff; margin-top: 10px; font-size: 1.1em;\"\u003eThe Toughest CVD Solution for Stable and High-Performance Steel Machining\u003c\/p\u003e\n\u003c\/header\u003e\n\u003csection style=\"padding: 10px 20px; margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 6px solid #47479F; padding-left: 15px; font-size: 22px;\"\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 insert provides the best balance of toughness and heat resistance for general-purpose steel turning on a CNC lathe?\"\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eTaeguTec TNMG 160408 PC TT8125\u003c\/strong\u003e is specifically engineered for \u003cstrong\u003eISO P (Steel)\u003c\/strong\u003e turning where stability and edge security are the highest priorities. The \u003cstrong\u003eTT8125 grade\u003c\/strong\u003e is a specialized CVD-coated carbide designed to withstand thermal shock and mechanical stress, making it more robust than the higher-speed TT92xx series. It is paired with the \u003cstrong\u003ePC (Positive-Cut) chipbreaker\u003c\/strong\u003e, which utilizes a sharp rake angle to slice through steel with minimal force. This unique combination allows you to maintain a \u003cstrong\u003e0.8mm radius\u003c\/strong\u003e for edge strength while achieving the low-vibration performance typically reserved for specialized finishing tools.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 10px 20px; margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 6px solid #47479F; padding-left: 15px; font-size: 22px;\"\u003eKey Performance 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;\"\u003eTT8125 \"The Workhorse\"\u003c\/strong\u003e\n\u003cp style=\"margin-top: 8px;\"\u003eUnmatched substrate toughness combined with a thick CVD coating for high resistance to chipping and notch wear.\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;\"\u003ePositive-Cut (PC) Logic\u003c\/strong\u003e\n\u003cp style=\"margin-top: 8px;\"\u003eOptimized for lower cutting forces. It effectively manages heat and prevents work hardening, even at lower speeds.\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;\"\u003eEdge Stability\u003c\/strong\u003e\n\u003cp style=\"margin-top: 8px;\"\u003eDesigned for high-reliability in general turning, including semi-roughing to precision finishing in a single grade.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 10px 20px; margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 6px solid #47479F; padding-left: 15px; font-size: 22px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"margin: 25px 0; border: 2px solid #47479F; padding: 20px; border-radius: 8px;\"\u003e\n\u003ch3 style=\"margin-top: 0; font-size: 1.2em; color: #47479f;\"\u003eInsert Designation Breakdown: TNMG 160408 PC\u003c\/h3\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 10px; font-family: monospace; font-size: 1.1em; margin-top: 15px;\"\u003e\n\u003cdiv style=\"border: 1px solid #ccc; padding: 10px; text-align: center; flex: 1; min-width: 65px;\"\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: 65px; 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: 65px;\"\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: 65px; 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: 65px;\"\u003e\n\u003cstrong\u003e160408\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e0.8 Rad\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; flex: 1; min-width: 65px; background: #f0f0ff;\"\u003e\n\u003cstrong\u003ePC\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eChipbreaker\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;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eMetric (ISO Standard)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eImperial (ANSI Standard)\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;\"\u003eDesignation\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eTNMG 160408 PC\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eTNMG 332 PC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eInscribed Circle\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e9.525 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eThickness\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e4.76 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eCorner Radius\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.80 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e1\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eRecommended Cutting Parameters (TT8125 Grade)\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;\"\u003eMaterial (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;\"\u003eCarbon Steel\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e150 - 300\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.12 - 0.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e120 - 250\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.10 - 0.35\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: #fdfdfd;\"\u003e\n\u003cp style=\"margin: 0; font-weight: bold; color: #47479f;\"\u003eSystem Compatibility\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 10px 20px; background: #f4f4f4; margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 6px solid #47479F; padding-left: 15px; font-size: 22px;\"\u003eApplications \u0026amp; Tooling Compatibility\u003c\/h2\u003e\n\u003cul style=\"padding-left: 20px; line-height: 2;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral Engineering:\u003c\/strong\u003e Perfect for mass production of steel shafts and fasteners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupted Cuts:\u003c\/strong\u003e The TT8125 grade provides the edge toughness needed for non-continuous surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Control:\u003c\/strong\u003e PC geometry ensures stability in long-overhang boring or turning applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Fitment:\u003c\/strong\u003e Fits all industry-standard ISO TNMG 1604 \/ ANSI 33x toolholders (MTJNR, MTFNR, etc).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 10px 20px; margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 6px solid #47479F; padding-left: 15px; font-size: 22px;\"\u003eTaeguTec Grade Comparison\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;\"\u003eType\u003c\/th\u003e\n\u003cth style=\"padding: 12px;\"\u003eWorkpiece Condition\u003c\/th\u003e\n\u003cth style=\"padding: 12px;\"\u003eMain Strength\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;\"\u003eCVD\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eGeneral \/ Interrupted\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eExtreme Toughness\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;\"\u003eCVD\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eContinuous \/ High Speed\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eThermal Resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eTT9080\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003ePVD\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eStainless \/ Heat-Resistant\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eSharpness \/ Universal\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: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 6px solid #47479F; padding-left: 15px; font-size: 22px;\"\u003eWhy Choose TaeguTec TT8125?\u003c\/h2\u003e\n\u003cp\u003eMachining isn't always about maximum speed; it's about reliability. The TT8125 grade was developed for shops that need a tool they can trust across different machines and operators. By utilizing the PC chipbreaker, TaeguTec has created an insert that reduces machine load while the CVD coating ensures the edge remains intact during long production runs in alloy steel.\u003c\/p\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 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\"Finally a grade that handles our raw alloy steel without chipping at the first shoulder. Excellent durability.\"\u003c\/p\u003e\n\u003csmall\u003e\u003cstrong\u003e— Mark S., 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\"Sehr robuste Sorte. Perfekt für die Serienfertigung von Stahlteilen. Die PC-Geometrie spart Kraft.\"\u003c\/p\u003e\n\u003csmall\u003e\u003cstrong\u003e— Jurgen W., 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\"Grande stabilità dimensionale. Non abbiamo più problemi di vibrazioni su pezzi lunghi.\"\u003c\/p\u003e\n\u003csmall\u003e\u003cstrong\u003e— Antonio L., 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\"Reliable tool life batch after batch. The 0.8 radius is the best all-rounder for our shop.\"\u003c\/p\u003e\n\u003csmall\u003e\u003cstrong\u003e— Hiroshi K., 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: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 6px solid #47479F; padding-left: 15px; font-size: 22px;\"\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: Is TT8125 better than TT9225 for steel?\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eA: It depends on the application. TT8125 is better for toughness and interrupted cuts, while TT9225 is optimized for higher cutting speeds 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: Can I use this for finishing?\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eA: Yes! The PC chipbreaker is a positive rake geometry designed precisely for finishing and light-to-medium turning while maintaining low cutting pressure.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 10px; padding: 15px; background: #f9f9f9; border-radius: 4px;\"\u003e\n\u003cstrong\u003eQ: Does this work for Stainless Steel?\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eA: It can, but for dedicated stainless steel work, we highly recommend TaeguTec's PVD grade TT9080 for better chip evacuation and heat control.\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;\"\u003eMaterial Comparison Tip: CVD grades like TT8125 offer thick coatings for long tool life in stable steel applications. Always check your coolant flow to maximize the thermal shock resistance of the grade.\u003c\/p\u003e\n\u003c\/footer\u003e\n\u003c\/div\u003e","brand":"taegutec","offers":[{"title":"Default Title","offer_id":43344845570220,"sku":"TNMG160408PC TT8125","price":125.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/TaeguTec_TNMG_160408_PC_TT8125_triangular_CVD_carbide_insert_for_general_steel_turning_and_interrupted_cuts..jpg?v=1776763748","url":"https:\/\/cnchome-beyond.com\/products\/taegutec-tnmg-160408-pc-tt8125-cvd-insert-cast-iron-steel-turning","provider":"CNCHome-Beyond","version":"1.0","type":"link"}