{"product_id":"taegutec-snmg120408-mc-tt8115-high-speed-steel-turning-insert","title":"TaeguTec SNMG120408-MC TT8115 | High-Speed Steel Turning Insert","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 SNMG120408-MC TT8115\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"color: #e0e0e0; margin-top: 10px; font-size: 1.1em;\"\u003eEngineered for Velocity: The Ultimate High-Speed Steel Finishing Solution\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 CNC insert is best for high-speed finishing of carbon steel when I need to maximize cycle time without sacrificing tool life or surface Ra?\"\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eTaeguTec SNMG120408-MC TT8115\u003c\/strong\u003e is designed specifically for high-efficiency machining of \u003cstrong\u003eISO P Steel\u003c\/strong\u003e. The \u003cstrong\u003eTT8115 grade\u003c\/strong\u003e utilizes a highly wear-resistant CVD coating with a thick Al2O3 layer that acts as a thermal barrier, preventing crater wear during high-velocity friction. Complementing this is the \u003cstrong\u003eMC (Medium-Finishing)\u003c\/strong\u003e chipbreaker, which features a optimized rake angle for stable chip evacuation. With an 0.8mm nose radius, this insert provides the ideal balance between edge strength and surface smoothness, ensuring your CNC shop stays productive and precise.\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;\"\u003eTT8115 Premium CVD Grade\u003c\/strong\u003e\n\u003cp style=\"font-size: 0.95em; margin-top: 5px;\"\u003eA high-hardness substrate combined with advanced coating technology for maximum wear resistance at elevated cutting speeds.\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;\"\u003eMC Chipbreaker Precision\u003c\/strong\u003e\n\u003cp style=\"font-size: 0.95em; margin-top: 5px;\"\u003eExcellent chip control for medium-finishing operations, reducing the risk of \"bird-nesting\" and workpiece damage.\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;\"\u003eDouble-Sided Economy\u003c\/strong\u003e\n\u003cp style=\"font-size: 0.95em; margin-top: 5px;\"\u003e90° Square geometry providing 8 usable cutting edges, significantly lowering your cost-per-part.\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: SNMG120408-MC\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\u003eS\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eSquare\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\u003eN\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e0° 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\u003eG\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eMC-Chip\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\u003e12\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e12.7mm IC\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\u003e4.76mm T\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\u003e08\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e0.8mm RE\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;\"\u003eI.C. (Inscribed Circle)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eNose Radius\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;\"\u003eSNMG120408-MC\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e12.70 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.8 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;\"\u003eSNMG432-MC\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;\"\u003e1\/32\" (0.031\")\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;\"\u003eWorkpiece Material\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;\"\u003eCarbon Steel (P1-P2)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e280 - 480 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.15 - 0.45 mm\/rev\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAlloy Steel (P3-P4)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e220 - 380 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.15 - 0.40 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;\"\u003eRequired Toolholders\u003c\/h3\u003e\n\u003cp\u003eThis insert is compatible with all standard 12mm I.C. square turning holders. Recommended: \u003cstrong\u003eDSBNR\/L 2525 M12\u003c\/strong\u003e, \u003cstrong\u003eMSSNR\/L 2525 M12\u003c\/strong\u003e, and precision boring bars for internal turning.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #47479F; padding: 10px; display: inline-block; margin-top: 10px; background: #f0f4ff;\"\u003e\u003ca href=\"https:\/\/cnchome-beyond.com\/collections\/sn-insert-multi-lock-system\" 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\u003eView SNMG 12 Holders →\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\u003eHigh-speed finishing of carbon steel shafts and axles.\u003c\/li\u003e\n\u003cli\u003ePrecision turning of alloy steel gears and transmission parts.\u003c\/li\u003e\n\u003cli\u003eContinuous cutting in automated CNC production lines.\u003c\/li\u003e\n\u003cli\u003eGeneral manufacturing where surface finish and cycle time are critical.\u003c\/li\u003e\n\u003c\/ul\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 is a global leader in metalworking solutions, known for pushing the boundaries of material science. The \u003cstrong\u003eSNMG120408-MC TT8115\u003c\/strong\u003e is not just an insert; it’s a productivity engine. While competitors' tools often fail due to heat-induced edge deformation, our \u003cstrong\u003eTT8115 grade\u003c\/strong\u003e maintains its hardness at temperatures exceeding 1000°C. This means you can run your machines faster and longer with total confidence. Invest in TaeguTec for industrial-grade reliability that translates directly to your bottom line.\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\"Increases Spindle Speed\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 0.9em;\"\u003eWe switched to TT8115 and were able to increase our cutting speed by 25% without losing tool life. Perfect for our high-volume steel orders.\u003c\/p\u003e\n\u003csmall style=\"color: #777;\"\u003e— Precision Machining Group (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\"Hervorragendes Oberflächenfinish\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 0.9em;\"\u003eThe MC chipbreaker works wonders. Chips are short and the surface Ra is exactly what our customer requires. Very stable grade.\u003c\/p\u003e\n\u003csmall style=\"color: #777;\"\u003e— Drehtechnik 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\"Grande stabilità termica\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 0.9em;\"\u003eThe best insert we've used for continuous finishing in alloy steel. Heat is not an issue for this TT8115 coating.\u003c\/p\u003e\n\u003csmall style=\"color: #777;\"\u003e— Meccanica di Precisione (Italy)\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\"Consistent and Fast\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 0.9em;\"\u003eReliable performance corner after corner. We run 8 corners on every insert, making it extremely cost-effective.\u003c\/p\u003e\n\u003csmall style=\"color: #777;\"\u003e— Kanto Precision Tools (Japan)\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. Is the TT8115 grade suitable for interrupted cuts?\u003c\/p\u003e\n\u003cp style=\"margin-top: 5px; font-size: 0.95em;\"\u003eThe \u003cstrong\u003eTT8115\u003c\/strong\u003e is optimized for high-speed \u003cstrong\u003econtinuous\u003c\/strong\u003e cuts. For heavy interruptions, we recommend the tougher \u003cstrong\u003eTT8125\u003c\/strong\u003e grade.\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. Can I use this for Stainless Steel?\u003c\/p\u003e\n\u003cp style=\"margin-top: 5px; font-size: 0.95em;\"\u003eThis insert is designed for ISO P Steel. While it can machine some stainless, TaeguTec's \u003cstrong\u003eTT9080\u003c\/strong\u003e is the dedicated solution for stainless steel turning.\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💡 Material Comparison Tip:\u003c\/strong\u003e Use \u003cstrong\u003eTT8115\u003c\/strong\u003e for the highest speed in Steel. If you face edge chipping or instability, move to \u003cstrong\u003eTT8125\u003c\/strong\u003e for increased toughness.\u003c\/footer\u003e\n\u003c\/div\u003e","brand":"taegutec","offers":[{"title":"Default Title","offer_id":43346667045036,"sku":"SNMG120408MC TT8115","price":136.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/TaeguTec_SNMG120408-MC_TT8115_Square_CVD_Carbide_Insert_for_Steel_Machining..jpg?v=1776410771","url":"https:\/\/cnchome-beyond.com\/products\/taegutec-snmg120408-mc-tt8115-high-speed-steel-turning-insert","provider":"CNCHome-Beyond","version":"1.0","type":"link"}