{"product_id":"taegutec-dnmg150404r-vf-tt8115-high-speed-steel-finishing-insert","title":"TaeguTec DNMG150404R-VF TT8115 | High-Speed Steel Finishing 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 DNMG150404R-VF TT8115\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"color: #e0e0e0; margin-top: 10px; font-size: 1.1em;\"\u003ePrecision Velocity: The High-Speed Choice for Mirror-Finish 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 offers the best tool life and chip control for high-speed finishing passes on carbon and alloy steels?\"\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eTaeguTec DNMG150404R-VF TT8115\u003c\/strong\u003e is a professional-grade solution for \u003cstrong\u003eISO P (Steel)\u003c\/strong\u003e finishing. The \u003cstrong\u003eTT8115 grade\u003c\/strong\u003e is characterized by its advanced CVD coating, featuring a thick \u003cstrong\u003eAlumina (Al2O3) layer\u003c\/strong\u003e that acts as a thermal shield during high-velocity friction. This allows for significantly higher cutting speeds without sacrificing edge integrity. The \u003cstrong\u003eVF (Very Fine)\u003c\/strong\u003e chipbreaker geometry is optimized for light depths of cut, ensuring that chips are broken and evacuated efficiently even at low feed rates, preventing workpiece scratching and bird-nesting.\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;\"\u003eHigh-Speed Alumina Coating\u003c\/strong\u003e\n\u003cp style=\"font-size: 0.95em; margin-top: 5px;\"\u003eTT8115's CVD coating provides elite heat resistance, perfect for continuous high-speed finishing passes.\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;\"\u003eVF Finishing Geometry\u003c\/strong\u003e\n\u003cp style=\"font-size: 0.95em; margin-top: 5px;\"\u003eSpecifically designed for light cutting depths, ensuring mirror-like surface finishes and tight tolerances.\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;\"\u003e0.4mm Precision Radius\u003c\/strong\u003e\n\u003cp style=\"font-size: 0.95em; margin-top: 5px;\"\u003eLow cutting force prevents vibration in slim workpieces while delivering extreme dimensional accuracy.\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: DNMG150404R-VF\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\u003eD\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e55° 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\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\u003eHole\/Sint\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\u003e15\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e12.7mm IC\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 RE\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\u003eVF\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eFinishing\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;\"\u003eThickness (S)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eRadius (RE)\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;\"\u003eDNMG150404R-VF\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;\"\u003e0.4 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;\"\u003eDNMG431R-VF\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.187\"\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.016\"\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;\"\u003eSpeed (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;\"\u003eLow Carbon Steel\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e250 - 500 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.05 - 0.20 mm\/rev\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAlloy Steel (ISO P)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e180 - 420 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.05 - 0.18 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 Toolholders\u003c\/h3\u003e\n\u003cp\u003eThis 1504 series DNMG insert fits standard 55° holders. For finishing precision, we recommend high-quality holders: \u003cstrong\u003eDDJNR\/L 15\u003c\/strong\u003e, \u003cstrong\u003ePDJNR\/L 15\u003c\/strong\u003e, or \u003cstrong\u003eSDJNR\/L 15\u003c\/strong\u003e.\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\/dn-insert-boring-bar\" 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\u003eFind 15-Series 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 automotive components and precision axles.\u003c\/li\u003e\n\u003cli\u003eContinuous turning operations where heat generation is a concern.\u003c\/li\u003e\n\u003cli\u003eMachining of carbon steel, alloy steel, and tool steels in finishing passes.\u003c\/li\u003e\n\u003cli\u003eIdeal for CNC environments requiring mirror surface Ra values and high productivity.\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\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 Name\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCoating Type\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eBest Use Case\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eTT8115\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCVD (Thick Al2O3)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\n\u003cstrong\u003eVelocity Specialist:\u003c\/strong\u003e Elite speed and thermal stability.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eTT8125\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCVD (Universal)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\n\u003cstrong\u003eAll-Rounder:\u003c\/strong\u003e Best for varied steel and interruptions.\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 is a global leader in carbide innovation, specialized in delivering tool solutions that push the limits of modern CNC productivity. The DNMG 150404R-VF TT8115 is a testament to Korean engineering excellence, combining a high-toughness substrate with the world's most advanced CVD Alumina coating technology. By choosing TaeguTec, you invest in predictable tool life, reduced machine downtime, and an uncompromising finish quality that reduces secondary polishing costs. Experience the power of high-speed finishing with the VF series.\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\"Exceptional Speed\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 0.9em;\"\u003eWe increased our Vc to 400 m\/min on 1045 steel and these inserts didn't even flinch. The finish is mirror-like.\u003c\/p\u003e\n\u003csmall style=\"color: #777;\"\u003e— Precision Machining Co. (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\"Hervorragende Qualität\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 0.9em;\"\u003eStable tool life across our entire shift. The VF chipbreaker works perfectly even at very low feed rates.\u003c\/p\u003e\n\u003csmall style=\"color: #777;\"\u003e— Werkzeugbau AG (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\"Finitura Ottimale\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 0.9em;\"\u003eThe best insert for finishing small steel parts. Very consistent dimensional control.\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\"Very Sharp and Stable\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 0.9em;\"\u003eGreat performance in continuous passes. Surface Ra is consistently under 0.8 microns.\u003c\/p\u003e\n\u003csmall style=\"color: #777;\"\u003e— Tanaka Industries (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. Can I use TT8115 for interrupted cuts?\u003c\/p\u003e\n\u003cp style=\"margin-top: 5px; font-size: 0.95em;\"\u003e\u003cstrong\u003eTT8115\u003c\/strong\u003e is optimized for \u003cstrong\u003econtinuous cutting\u003c\/strong\u003e at high speeds. For interrupted steel turning, \u003cstrong\u003eTT8125\u003c\/strong\u003e is the recommended tougher 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. What is the benefit of the 0.4mm radius?\u003c\/p\u003e\n\u003cp style=\"margin-top: 5px; font-size: 0.95em;\"\u003eA \u003cstrong\u003e0.4mm radius\u003c\/strong\u003e reduces cutting pressure, making it ideal for finishing passes where high precision and fine surface finishes are required without causing vibration.\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 maximum speed in stable finishing. If you encounter interruptions, switch to \u003cstrong\u003eTT8125\u003c\/strong\u003e for enhanced edge toughness.\u003c\/footer\u003e\n\u003c\/div\u003e","brand":"taegutec","offers":[{"title":"Default Title","offer_id":43353495240876,"sku":"DNMG150404R-VF TT8115","price":170.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/TaeguTec_DNMG150404R-VF_TT8115_Alumina_Coated_Carbide_Insert_for_High-Speed_Steel_Finishing..jpg?v=1776389567","url":"https:\/\/cnchome-beyond.com\/products\/taegutec-dnmg150404r-vf-tt8115-high-speed-steel-finishing-insert","provider":"CNCHome-Beyond","version":"1.0","type":"link"}