{"product_id":"cnmg120408-hm-nc3020","title":"Korloy CNMG120408-HM NC3020 Steel Machining Turning Insert (10pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eOriginal Korloy CNMG120408-HM NC3020\u003c\/strong\u003e (ANSI Standard: \u003cstrong\u003eCNMG 432\u003c\/strong\u003e) is a high-productivity carbide insert engineered for \u003cstrong\u003emedium-to-heavy turning of steel\u003c\/strong\u003e. The NC3020 grade features a multi-layer CVD coating designed for superior heat resistance and high-speed wear protection. With a robust 0.8mm (1\/32\") nose radius, this insert is capable of handling higher feed rates and larger depths of cut, making it the industry benchmark for carbon and alloy steel production.\u003c\/p\u003e\n\u003cdiv style=\"background-color: #f2f9f2; border: 1px solid #cce7cc; padding: 15px; border-radius: 5px; margin: 20px 0;\"\u003e\n\u003cp style=\"margin: 0; font-size: 14px; color: #2e7d32;\"\u003e\u003cstrong\u003eEfficiency Tip:\u003c\/strong\u003e If you have a rigid setup and a modern CNC machine, NC3020 allows you to push higher surface speeds (Vc) compared to the tougher NC3030, reducing your cycle times significantly.\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;\"\u003eCNMG120408-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 432\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;\"\u003eNC3020 (High-Speed Steel General Purpose)\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\u003eNose Radius\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.8 mm (1\/32\") - High Feed Strength\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\u003eAdvanced CVD Multi-Layer Coating:\u003c\/strong\u003e Protects against crater wear and high-temperature oxidation, allowing for longer tool life in high-speed applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHM Universal Chipbreaker:\u003c\/strong\u003e Optimized for stable chip control at various depths of cut (ap), effectively breaking chips in both semi-finishing and roughing operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRigid Edge Strength:\u003c\/strong\u003e The 0.8mm radius provides the structural integrity needed to handle higher feed rates without edge chipping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEconomic 4-Corner Design:\u003c\/strong\u003e Double-sided negative insert provides 4 usable cutting edges, lowering your cost-per-part in high-volume production.\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 (e.g., 1045)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e180 - 350 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.20 - 0.50 mm\/rev\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e1.5 - 6.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAlloy Steel (e.g., 4140)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e150 - 300 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.15 - 0.40 mm\/rev\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e1.0 - 5.0 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\u003eEnsure maximum clamping force and rigidity with these high-performance \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\"\u003ePCLNR\/L 2020K12 \/ PCLNR\/L 2525M12 \/ DCLNR\/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\u003eInternal Boring Bars:\u003c\/strong\u003e \u003ca href=\"https:\/\/cnchome-beyond.com\/collections\/cn-insert-boring-bar\" target=\"_blank\" title=\"PCLNR Boring Bar\" rel=\"noopener\"\u003eS32T-PCLNR12 \/ S40T-PCLNR12\u003c\/a\u003e\u003ca title=\"PCLNR Boring Bar\" href=\"\/products\/pclnr-boring-bar\"\u003e\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 #337ab7; padding-bottom: 10px;\"\u003eThe Professional Choice: NC3020 vs. NC3030\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666;\"\u003eHow to choose the right steel turning grade?\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 #337ab7;\"\u003e\n\u003cstrong style=\"color: #337ab7; font-size: 15px;\"\u003eNC3020 (Speed \u0026amp; Wear - This Model)\u003c\/strong\u003e\n\u003cp style=\"font-size: 12px; margin-top: 5px;\"\u003eOptimized for continuous high-speed turning. Best choice when tool flank wear is the primary concern.\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 #d9534f;\"\u003e\n\u003cstrong style=\"color: #d9534f; font-size: 15px;\"\u003eNC3030 (Toughness \u0026amp; Shock)\u003c\/strong\u003e\n\u003cp style=\"font-size: 12px; margin-top: 5px;\"\u003eOptimized for interrupted cuts, heavy scale, and unstable machines. Use this if the tool is chipping.\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 For large volume steel jobs with steady cuts, \u003cstrong\u003eNC3020\u003c\/strong\u003e will typically outperform NC3030 in parts-per-edge and surface finish.\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":42429075718316,"sku":"CNMG120408-HM NC3020","price":63.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Korloy_CNMG120408-HM_NC3020_Carbide_Insert_for_High_Feed_Steel_Turning.jpg?v=1766486763","url":"https:\/\/cnchome-beyond.com\/products\/cnmg120408-hm-nc3020","provider":"CNCHome-Beyond","version":"1.0","type":"link"}