{"product_id":"cnmg120404-hm-nc3120","title":"Korloy CNMG120404-HM NC3120 High-Performance Steel Turning Insert (10pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eOriginal Korloy CNMG120404-HM NC3120\u003c\/strong\u003e (ANSI Standard: \u003cstrong\u003eCNMG 431\u003c\/strong\u003e) represents the next generation of \u003cstrong\u003ehigh-efficiency steel turning\u003c\/strong\u003e. Engineered with an advanced thick CVD coating, the NC3120 grade is optimized to withstand higher cutting temperatures and resist flank wear more effectively than its predecessors. With the precision-ground 0.4mm (1\/64\") radius and the legendary HM chipbreaker, this insert provides exceptional chip control and a superior surface finish across a vast array of carbon and alloy steels.\u003c\/p\u003e\n\u003cdiv style=\"background-color: #eefbff; border: 1px solid #bce8f1; padding: 15px; border-radius: 5px; margin: 20px 0;\"\u003e\n\u003cp style=\"margin: 0; font-size: 14px; color: #31708f;\"\u003e\u003cstrong\u003eTechnology Upgrade:\u003c\/strong\u003e \u003ca href=\"https:\/\/cnchome-beyond.com\/search?type=product\u0026amp;options%5Bunavailable_products%5D=last\u0026amp;options%5Bprefix%5D=last\u0026amp;q=NC3120\" target=\"_blank\" rel=\"noopener\"\u003eNC3120\u003c\/a\u003e utilizes a new coating bonding technology that prevents peeling even at high speeds, providing a 30% longer tool life compared to traditional steel grades.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4\u003eTechnical Specifications:\u003c\/h4\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 15px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f8f8f8;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eKorloy (100% Genuine)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eISO Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCNMG120404-HM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8f8f8;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eANSI Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCNMG 431\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eGrade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eNC3120 (New CVD High-Speed Steel Grade)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8f8f8;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eChipbreaker\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eHM (Finishing to Medium Cut)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCore Performance Benefits:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Red-Hardness:\u003c\/strong\u003e The advanced Alumina coating maintains its hardness at extreme temperatures, allowing for higher SFM (Surface Feet per Minute).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent Surface Integrity:\u003c\/strong\u003e The 0.4mm nose radius minimizes cutting forces, reducing the risk of vibration and ensuring a bright, high-quality finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal HM Geometry:\u003c\/strong\u003e The HM breaker is the industry favorite for its ability to break chips across a wide range of feed rates and depths of cut.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Edge Stability:\u003c\/strong\u003e Enhanced coating adhesion prevents micro-chipping at the cutting edge, resulting in high dimensional accuracy part after part.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eRecommended Cutting Parameters:\u003c\/h4\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 15px 0; text-align: center;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #eee;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eWorkpiece Material\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCutting Speed (Vc)\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eFeed Rate (f)\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eDepth of Cut (ap)\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;\"\u003eCarbon Steel (1045 \/ S45C)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e200 - 380 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.08 - 0.25 mm\/rev\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.3 - 3.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAlloy Steel (4140 \/ SCM440)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e150 - 320 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.06 - 0.20 mm\/rev\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.3 - 3.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCompatible Tool Holders:\u003c\/h4\u003e\n\u003cp\u003eFor high-speed precision turning, we recommend rigid \u003cstrong\u003eD-Type\u003c\/strong\u003e or \u003cstrong\u003eM-Type\u003c\/strong\u003e holders:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Turning:\u003c\/strong\u003e \u003ca href=\"https:\/\/cnchome-beyond.com\/collections\/cn-insert-multi-lock-system\" target=\"_blank\" title=\"PCLNR Tool Holder\" rel=\"noopener\"\u003eMCLNR\/L 2020K12 \/ MCLNR\/L 2525M12\u003c\/a\u003e\u003ca title=\"PCLNR Tool Holder\" href=\"\/products\/pclnr-external-holder\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Boring Bars:\u003c\/strong\u003e \u003ca href=\"https:\/\/cnchome-beyond.com\/collections\/cn-insert-boring-bar\" target=\"_blank\" title=\"PCLNR Boring Bar\" rel=\"noopener\"\u003eS25S-MCLNR12 \/ S32T-MCLNR12\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"background-color: #f9f9f9; border: 1px solid #e1e1e1; padding: 20px; border-radius: 8px; margin-top: 30px;\"\u003e\n\u003ch3 style=\"color: #333; margin-top: 0; border-bottom: 2px solid #007bff; padding-bottom: 10px;\"\u003eSteel Grade Upgrade Guide: NC3120 vs. NC3020\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666;\"\u003eWhy switch to the new NC3120?\u003c\/p\u003e\n\u003cdiv style=\"display: flex; gap: 20px; flex-wrap: wrap;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 250px; background: #fff; padding: 15px; border-radius: 5px; border-left: 5px solid #007bff;\"\u003e\n\u003cstrong style=\"color: #007bff; font-size: 15px;\"\u003eNC3120 (New Flagship - This Model)\u003c\/strong\u003e\n\u003cp style=\"font-size: 12px; margin-top: 5px;\"\u003eSuperior coating bonding. Up to 30% higher wear resistance. The new standard for high-speed steel turning.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 250px; background: #fff; padding: 15px; border-radius: 5px; border-left: 5px solid #6c757d;\"\u003e\n\u003cstrong style=\"color: #6c757d; font-size: 15px;\"\u003eNC3020 (Legacy Grade)\u003c\/strong\u003e\n\u003cp style=\"font-size: 12px; margin-top: 5px;\"\u003eThe classic reliable choice. Good for general steel work, but being phased out for the more efficient NC3120.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 13px; font-style: italic; margin-top: 15px; color: #888;\"\u003e\u003cstrong\u003eMachinist's Tip:\u003c\/strong\u003e If your machine can handle the RPM, \u003cstrong\u003eNC3120\u003c\/strong\u003e thrives at higher cutting speeds, which actually helps in achieving a cleaner chip break.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 20px; font-weight: bold; color: #d9534f;\"\u003ePackaging: 10 pieces per box.\u003c\/p\u003e","brand":"KORLOY","offers":[{"title":"Default Title","offer_id":42593874870444,"sku":"CNMG120404-HM NC3120","price":63.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Korloy_CNMG120404-HM_NC3120_New_Generation_CNMG_431.jpg?v=1766487570","url":"https:\/\/cnchome-beyond.com\/products\/cnmg120404-hm-nc3120","provider":"CNCHome-Beyond","version":"1.0","type":"link"}