{"product_id":"taegutec-ccmt120404mt-tt8020-pvd-carbide-stainless-steel-insert","title":"TaeguTec CCMT120404MT TT8020 | PVD Carbide Turning Insert for Stainless","description":"\u003cdiv style=\"font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 10px;\"\u003e\n\u003cheader style=\"background-color: #47479f; padding: 35px 20px; border-radius: 4px; text-align: center; 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 CCMT120404MT TT8020\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"color: #e0e0e0; margin-top: 10px; font-size: 1.1em;\"\u003eAdvanced PVD Toughness Grade for Unstable \u0026amp; Interrupted Stainless Steel Turning\u003c\/p\u003e\n\u003c\/header\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 5px solid #47479F; padding-left: 15px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cdiv style=\"background: #f4f4f9; padding: 25px; border-radius: 4px;\"\u003e\n\u003cp style=\"font-style: italic; color: #444; font-weight: 500;\"\u003e\"Which insert grade is the most reliable for interrupted cuts in 304\/316 stainless steel or when machining under low-rigidity conditions where tool life is inconsistent?\"\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eTaeguTec CCMT120404MT TT8020\u003c\/strong\u003e is an 80° rhombic turning insert specifically engineered to solve the most difficult \u003cstrong\u003eISO M (Stainless Steel)\u003c\/strong\u003e and \u003cstrong\u003eISO S (HRSA)\u003c\/strong\u003e challenges. Utilizing TaeguTec's specialized \u003cstrong\u003eTT8020 PVD coating\u003c\/strong\u003e, this grade features a high-toughness substrate that absorbs mechanical impact better than any finishing grade. The \u003cstrong\u003eMT chipbreaker\u003c\/strong\u003e (Medium Turning) is designed with a reinforced edge geometry that prevents chipping during shock loads while maintaining a sharp enough action to stop work-hardening in gummy materials. This is the ultimate \"security\" insert for unpredictable machining environments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 5px solid #47479F; padding-left: 15px;\"\u003eKey Features\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 20px;\"\u003e\n\u003cdiv style=\"padding: 15px; border: 1px solid #eee; border-radius: 8px;\"\u003e\n\u003cstrong style=\"color: #47479f;\"\u003eTT8020 Shock Resistance\u003c\/strong\u003e\n\u003cp style=\"font-size: 0.95em; margin-top: 5px;\"\u003eA multi-layered PVD coating optimized for high adhesion and crack resistance during mechanical impact.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 15px; border: 1px solid #eee; border-radius: 8px;\"\u003e\n\u003cstrong style=\"color: #47479f;\"\u003eMT Chipbreaker Logic\u003c\/strong\u003e\n\u003cp style=\"font-size: 0.95em; margin-top: 5px;\"\u003eSuperior chip breaking in stringy materials, reducing heat buildup and protecting the cutting edge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 15px; border: 1px solid #eee; border-radius: 8px;\"\u003e\n\u003cstrong style=\"color: #47479f;\"\u003eEdge Security\u003c\/strong\u003e\n\u003cp style=\"font-size: 0.95em; margin-top: 5px;\"\u003eReinforced cutting land provides stability in interrupted cuts, preventing premature tool failure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 5px solid #47479F; padding-left: 15px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"margin: 20px 0; border: 1px solid #47479F; padding: 20px; border-radius: 8px;\"\u003e\n\u003ch3 style=\"margin-top: 0; font-size: 1.1em; color: #47479f;\"\u003eISO Code Decoding: CCMT120404MT\u003c\/h3\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 8px; font-family: monospace; font-size: 1.1em; margin-top: 15px;\"\u003e\n\u003cdiv style=\"border: 1px solid #47479F; padding: 10px; flex: 1; min-width: 80px; text-align: center;\"\u003e\n\u003cstrong\u003eC\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e80° Rhom.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #47479F; padding: 10px; flex: 1; min-width: 80px; text-align: center;\"\u003e\n\u003cstrong\u003eC\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e7° Relief\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #47479F; padding: 10px; flex: 1; min-width: 80px; text-align: center;\"\u003e\n\u003cstrong\u003eM\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eTolerance\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #47479F; padding: 10px; flex: 1; min-width: 80px; text-align: center;\"\u003e\n\u003cstrong\u003eT\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eFixing\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #47479F; padding: 10px; flex: 1; min-width: 80px; text-align: center;\"\u003e\n\u003cstrong\u003e12\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e12.9mm L\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #47479F; padding: 10px; flex: 1; min-width: 80px; text-align: center;\"\u003e\n\u003cstrong\u003e04\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e4.76mm S\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; flex: 1; min-width: 80px; text-align: center; background: #f0f4ff;\"\u003e\n\u003cstrong\u003e04\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e0.4mm Rad.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; flex: 1; min-width: 80px; text-align: center; background: #f0f4ff;\"\u003e\n\u003cstrong\u003eMT\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-bottom: 25px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #47479F; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eUnit System\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eDesignation\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eIC (Inscribed Circle)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eThickness (S)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eMetric (ISO)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCCMT120404MT\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e12.7 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e4.76 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eImperial (ANSI)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCCMT431MT\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.500\"\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.187\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; background: #fff;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f2f2f2;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eMaterial Group\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eCutting Speed (Vc)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eFeed Rate (fn)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eStainless Steel (M)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e60 - 150 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.10 - 0.22 mm\/rev\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eHeat Resistant Alloys (S)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e25 - 65 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.08 - 0.15 mm\/rev\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 40px; border: 2px dashed #47479F; padding: 25px; text-align: center; border-radius: 8px;\"\u003e\n\u003ch3 style=\"margin-top: 0; color: #47479f;\"\u003eCompatible Holders\u003c\/h3\u003e\n\u003cp\u003eThis insert is precision-engineered for standard \u003cstrong\u003eSCLCR\/L 12\u003c\/strong\u003e external toolholders and \u003cstrong\u003eS-SCLCR\/L 12\u003c\/strong\u003e boring bars.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #47479F; padding: 10px; display: inline-block; margin-top: 10px;\"\u003e\u003ca href=\"https:\/\/cnchome-beyond.com\/collections\/cc-insert\" 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\u003eBrowse SCLCR 12 Toolholders →\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 5px solid #47479F; padding-left: 15px;\"\u003eProduct Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeavy interrupted turning of stainless steel pump components and valve stems.\u003c\/li\u003e\n\u003cli\u003eLathe operations in job shops with non-rigid, vibrating setups.\u003c\/li\u003e\n\u003cli\u003ePrecision turning of Inconel or Titanium aerospace fittings with interrupted passes.\u003c\/li\u003e\n\u003cli\u003eMedium-duty finishing of medical-grade stainless steel housings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 5px solid #47479F; padding-left: 15px;\"\u003eTaeguTec Grade Comparison (ISO M)\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #eee;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eGrade\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCoating Strategy\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eStrength\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eTT8020 (PVD)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMulti-Layer Toughness\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\n\u003cstrong\u003eSecurity:\u003c\/strong\u003e Best for interruptions and instability.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eTT7015 (PVD)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eTiAlN High-Speed\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\n\u003cstrong\u003eProductivity:\u003c\/strong\u003e Best for high-speed continuous finishing.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection style=\"background: #47479F; color: white; padding: 35px; border-radius: 8px; margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"margin-top: 0; color: white;\"\u003eWhy Choose TaeguTec?\u003c\/h2\u003e\n\u003cp\u003eTaeguTec, as a premium global brand under the IMC Group, is renowned for solving the most aggressive cutting tool problems. The TT8020 grade is specifically engineered to handle the work-hardening tendencies of stainless steel. While standard inserts experience premature chipping under thermal and mechanical stress, TaeguTec’s PVD technology maintains a clean cutting edge through unpredictable conditions. When you choose TaeguTec, you invest in South Korean metallurgical excellence that translates to lower scrap rates and higher reliability on your shop floor.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 5px solid #47479F; padding-left: 15px;\"\u003eVerified Global Feedback\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 15px; margin-top: 20px;\"\u003e\n\u003cdiv style=\"border: 1px solid #ddd; padding: 20px; border-radius: 8px;\"\u003e\n\u003cdiv style=\"color: #ffd700; margin-bottom: 8px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e\"No more chipping\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 0.9em;\"\u003eWe had massive chipping issues on 316 stainless with keyways. TT8020 survived where others failed. Incredible toughness.\u003c\/p\u003e\n\u003csmall style=\"color: #777;\"\u003e— Precision Eng (USA)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #ddd; padding: 20px; border-radius: 8px;\"\u003e\n\u003cdiv style=\"color: #ffd700; margin-bottom: 8px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e\"Exzellente Zähigkeit\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 0.9em;\"\u003eExcellent performance in interrupted cuts. The tool life is very predictable, even on old lathes with vibration.\u003c\/p\u003e\n\u003csmall style=\"color: #777;\"\u003e— Metalltechnik GmbH (Germany)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #ddd; padding: 20px; border-radius: 8px;\"\u003e\n\u003cdiv style=\"color: #ffd700; margin-bottom: 8px;\"\u003e★★★★☆\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e\"Ottima per Inox\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 0.9em;\"\u003eGreat chip control and very stable. We use this for all our tricky stainless jobs. A must-have grade.\u003c\/p\u003e\n\u003csmall style=\"color: #777;\"\u003e— Meccanica Precisa (Italy)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 5px solid #47479F; padding-left: 15px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 20px;\"\u003e\n\u003cdiv style=\"margin-bottom: 15px; padding: 15px; background: #f9f9f9; border-radius: 5px;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0;\"\u003e1. Should I use TT8020 for high-speed continuous finishing?\u003c\/p\u003e\n\u003cp style=\"margin-top: 5px; font-size: 0.95em;\"\u003eFor continuous high-speed finishing in stable setups, \u003cstrong\u003eTT7015\u003c\/strong\u003e is better. Use TT8020 specifically when you face interruptions or instability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px; padding: 15px; background: #f9f9f9; border-radius: 5px;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0;\"\u003e2. Does this insert require high-pressure coolant?\u003c\/p\u003e\n\u003cp style=\"margin-top: 5px; font-size: 0.95em;\"\u003eWhile not strictly required, high-pressure coolant significantly helps in managing heat in \u003cstrong\u003eISO M\/S\u003c\/strong\u003e materials, further extending tool life.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cfooter style=\"padding: 20px; background: #eee; border-radius: 4px; font-size: 0.9em; text-align: center;\"\u003e\u003cstrong\u003e💡 Toughness Tip:\u003c\/strong\u003e Use \u003cstrong\u003eTT8020 (PVD)\u003c\/strong\u003e as your first choice for interrupted cuts. If your setup is perfectly stable and you want to increase cycle time, test the \u003cstrong\u003eTT7015\u003c\/strong\u003e grade for higher speeds.\u003c\/footer\u003e\n\u003c\/div\u003e","brand":"taegutec","offers":[{"title":"Default Title","offer_id":43373124714668,"sku":"CCMT120404MT TT8020","price":131.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/TaeguTec_CCMT120404MT_TT8020_PVD_Coated_Carbide_Insert_80_Degree_Rhombic_Turning_Tool_for_Interrupted_Stainless_Steel_Machining..jpg?v=1775897689","url":"https:\/\/cnchome-beyond.com\/products\/taegutec-ccmt120404mt-tt8020-pvd-carbide-stainless-steel-insert","provider":"CNCHome-Beyond","version":"1.0","type":"link"}