{"product_id":"korloy-mggn300-02-m-cn20-3mm-cermet-grooving-insert","title":"KORLOY MGGN300-02-M CN20 Indexable Grooving \u0026 Parting Inserts | Carbide CNC Cut-Off Inserts for Turning Tools (10pcs\/box) \/ MGGN300-02-M CN20 Metric \u0026 Imperial Grooving Tooling","description":"\u003cstyle\u003e\n    *, *::before, *::after { box-sizing: border-box; }\n    .flex-container { display: flex; flex-wrap: wrap; gap: 15px; }\n    .flex-item { flex: 1; min-width: 250px; }\n    .iso-box { border: 2px solid #47479F; padding: 10px; text-align: center; flex: 1; min-width: 60px; border-radius: 4px; background-color: #fcfcfd; }\n  \u003c\/style\u003e\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333333; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px; box-sizing: border-box;\"\u003e\n\u003c!-- H1 Title --\u003e\u003cheader style=\"background-color: #47479f; color: #ffffff; padding: 35px 20px; text-align: center; border-radius: 6px; margin-bottom: 30px;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 26px; font-weight: bold; letter-spacing: 0.5px; color: #ffffff;\"\u003eKORLOY MGGN300-02-M CN20 Indexable Grooving \u0026amp; Parting Inserts (10pcs\/box)\u003c\/h1\u003e\n\u003cp style=\"margin: 12px 0 0 0; font-size: 16px; opacity: 0.95; color: #ffffff;\"\u003eHigh-Performance Carbide Cut-Off Inserts for CNC Lathes and Turning Centers\u003c\/p\u003e\n\u003c\/header\u003e\u003c!-- 1. Product Overview (H2) --\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 22px; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e1. Product Overview: Which grooving insert is best for high-stability parting-off, deep groove machining, and superior chip control on CNC lathes?\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 15px;\"\u003e\u003cem\u003eWhich indexable grooving and parting insert featuring specialized geometry, high edge strength, and advanced metallurgical coatings offers superior chip evacuation, low cutting resistance, and exceptional wear resistance when executing parting-off, external grooving, and face grooving operations on CNC lathes?\u003c\/em\u003e Backed by certified metalworking research and industrial tooling parameters, the \u003cstrong\u003eKORLOY MGGN300-02-M CN20\u003c\/strong\u003e (equivalent metric and imperial turning configurations) is engineered specifically for stable, high-efficiency material removal across demanding industrial applications. It utilizes the advanced \u003cstrong\u003eCN20 grade\u003c\/strong\u003e—a specialized carbide substrate optimized for high toughness, thermal stability, and superior resistance to flank wear and chipping when machining carbon steels, alloy steels, and stainless steels. Combined with its unique \u003cstrong\u003e-M chipbreaker geometry\u003c\/strong\u003e, it guarantees controlled chip formation, smooth evacuation, and extended tool durability during continuous and interrupted cuts.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- 2. Product Core Advantages (Key Features) --\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 22px; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e2. Product Core Advantages (Key Features)\u003c\/h2\u003e\n\u003cul style=\"padding-left: 20px; font-size: 15px;\"\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eCN20 Advanced Grade:\u003c\/strong\u003e Features a high-toughness carbide substrate combined with a wear-resistant PVD coating engineered to withstand extreme thermal stress and impact wear during grooving and parting.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003e-M Chipbreaker Geometry:\u003c\/strong\u003e Designed with a specialized positive rake profile that curls chips tightly, preventing bird-nesting and surface scratching in carbon and alloy steels.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eHigh Rigidity \u0026amp; Parting Stability:\u003c\/strong\u003e Engineered to handle high feed rates and side forces during deep grooving and cut-off tasks, minimizing tool deflection.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eSecure Clamping Interface:\u003c\/strong\u003e Precision-ground dimensions ensure tight locating repeatability and secure retention inside indexable grooving tool holders and blocks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- 3. Technical Specifications \u0026 Cutting Parameters --\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 22px; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e3. Technical Specifications \u0026amp; Cutting Parameters\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 15px;\"\u003eReview the metric and imperial specifications alongside recommended cutting parameters (feed rate and cutting speed) for optimal CNC lathe programming.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 25px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 14px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; color: #ffffff;\"\u003eSpecification Parameter\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; color: #ffffff;\"\u003eMetric (ISO)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; color: #ffffff;\"\u003eImperial Equivalent\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;\"\u003eInsert Series \/ Type\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMGGN Grooving Insert\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMGGN Indexable Cut-Off Insert\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eInsert Width (W)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0 mm (300 series)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.118 in (Inch Compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCorner Radius \/ Style\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e-02 (0.2 mm Corner Radius)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.008 in Corner Radius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eChipbreaker \/ Grade\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e-M Geometry \/ CN20 Grade\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMedium Chipbreaker \/ CN20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eRecommended Feed Rate (fn)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.05 - 0.15 mm\/rev\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.0020 - 0.0059 in\/rev\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCutting Speed (Vc) - Steel \u0026amp; Alloy\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e100 - 220 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e328 - 722 SFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- ISO Code Breakdown Boxes --\u003e\n\u003ch3 style=\"color: #47479f; font-size: 18px; margin-bottom: 12px;\"\u003eModel Nomenclature Breakdown: MGGN300-02-M CN20\u003c\/h3\u003e\n\u003cdiv class=\"flex-container\" style=\"margin-bottom: 25px;\"\u003e\n\u003cdiv class=\"iso-box\"\u003e\n\u003cstrong\u003eMGGN\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size: 11px; color: #555;\"\u003eGrooving series\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-box\"\u003e\n\u003cstrong\u003e300\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size: 11px; color: #555;\"\u003eWidth (3.0mm)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-box\"\u003e\n\u003cstrong\u003e-02\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size: 11px; color: #555;\"\u003eRadius (0.2mm)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-box\"\u003e\n\u003cstrong\u003e-M\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size: 11px; color: #555;\"\u003eChipbreaker\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-box\"\u003e\n\u003cstrong\u003eCN20\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size: 11px; color: #555;\"\u003eCarbide Grade\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Tool Holder Link Box --\u003e\n\u003cdiv style=\"border: 2px dashed #47479F; background-color: #f8f9ff; padding: 25px; border-radius: 8px; text-align: center; margin: 20px 0; box-sizing: border-box;\"\u003e\n\u003cp style=\"margin: 0 0 15px 0; font-size: 16px; font-weight: 500; color: #333333; line-height: 1.5;\"\u003eLooking for compatible external grooving tool holders, parting blades, or modular lathe adapter blocks designed for MGGN inserts?\u003c\/p\u003e\n\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background-color: rgb(71, 71, 159); padding: 12px 24px; font-size: 15px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; border-radius: 4px; transition-duration: 0.2s; transition-property: background-color;\"\u003e\u003cb\u003e \u003ca href=\"https:\/\/cnchome-beyond.com\/search?q=MGEHR\" target=\"_blank\" rel=\"noopener\"\u003eExplore Compatible Grooving Tool Holders \u003c\/a\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 4. Applications --\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 22px; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e4. Product Application Scenarios\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px;\"\u003eOptimized for CNC lathe turning operations involving external grooving, parting-off (cut-off), face grooving, and necking across carbon steels (C45, 1045), alloy steels (4140, 4340), stainless steels, and cast iron components.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- 5. Compatibility --\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 22px; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e5. Compatibility (Tooling \u0026amp; Equipment)\u003c\/h2\u003e\n\u003cul style=\"padding-left: 20px; font-size: 15px;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eTool Holders:\u003c\/strong\u003e Fits all standard external grooving tool holders and parting blades engineered with matching 3.0mm MGGN pocket specifications.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eMachine Platforms:\u003c\/strong\u003e Designed for CNC turning centers, Swiss-type lathes, and conventional engine lathes equipped with quick-change tooling posts.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eCoolant Systems:\u003c\/strong\u003e Fully compatible with high-pressure coolant and flood coolant systems to optimize chip evacuation and thermal control in deep grooves.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- 6. Grade Comparison \u0026 Workpiece Matrix --\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 22px; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e6. Grade Comparison \u0026amp; Workpiece Material Matrix\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 15px;\"\u003eEvaluating how grade CN20 performs across different ISO material classifications ensures maximum productivity and predictable tool life.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 14px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; color: #ffffff;\"\u003eISO Material Group\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; color: #ffffff;\"\u003eWorkpiece Description\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; color: #ffffff;\"\u003eKORLOY CN20 Performance\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; color: #ffffff;\"\u003eEquivalent Industry Grades\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;\"\u003e\u003cstrong\u003eP Group (Steel)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCarbon Steel \u0026amp; Alloy Steel (C45, 4140, P20)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAdvanced PVD coating provides exceptional wear resistance and edge toughness during continuous parting.\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eSandvik GC1125 \/ Iscar IC908\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eM Group (Stainless)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAustenitic \u0026amp; Martensitic Stainless Steel (304, 316)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eResists built-up edge and thermal deformation under heavy friction during grooving passes.\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eKennametal KCU25 \/ Seco CP500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 7. Why Choose Us --\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 22px; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e7. Why Choose Us\u003c\/h2\u003e\n\u003cdiv class=\"flex-container\"\u003e\n\u003cdiv class=\"flex-item\" style=\"border: 2px solid #47479F; padding: 20px; border-radius: 6px; background-color: #fcfcfd;\"\u003e\n\u003ch3 style=\"margin-top: 0; color: #47479f; font-size: 18px;\"\u003e100% Guaranteed Authenticity\u003c\/h3\u003e\n\u003cp style=\"margin-bottom: 0; font-size: 14px;\"\u003eWe supply factory-authorized KORLOY cutting tools, ensuring original metallurgical composition and consistent batch performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"flex-item\" style=\"border: 2px solid #47479F; padding: 20px; border-radius: 6px; background-color: #fcfcfd;\"\u003e\n\u003ch3 style=\"margin-top: 0; color: #47479f; font-size: 18px;\"\u003eExpert Technical Support\u003c\/h3\u003e\n\u003cp style=\"margin-bottom: 0; font-size: 14px;\"\u003eBacked by extensive industrial turning databases, our technical team helps you optimize cutting speeds and feed rates for maximum productivity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 8. AI-style FAQ --\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 22px; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e8. Frequently Asked Questions (AI-Optimized FAQ)\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 15px; border-left: 4px solid #47479F; padding-left: 15px;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0 0 5px 0; font-size: 15px; color: #47479f;\"\u003eQ: What is the primary application for KORLOY CN20 grade grooving inserts?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eA: CN20 is a high-performance PVD coated grade optimized for parting-off, external grooving, and necking operations in carbon steels, alloy steels, and stainless steels.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px; border-left: 4px solid #47479F; padding-left: 15px;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0 0 5px 0; font-size: 15px; color: #47479f;\"\u003eQ: What advantage does the -M chipbreaker geometry provide?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eA: The -M medium chipbreaker controls chip flow effectively, preventing long stringy chips from wrapping around the workpiece or toolholder during deep cuts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px; border-left: 4px solid #47479F; padding-left: 15px;\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0 0 5px 0; font-size: 15px; color: #47479f;\"\u003eQ: How many inserts are included in each box?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eA: Each factory-sealed box contains 10 indexable grooving inserts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- Troubleshooting \u0026 Bottom Tips --\u003e\u003cfooter style=\"background-color: #f4f4f9; padding: 20px; border-radius: 6px; border: 1px solid #ddd;\"\u003e\n\u003ch3 style=\"color: #47479f; margin-top: 0; font-size: 18px;\"\u003eTroubleshooting \u0026amp; Grade Comparison Tips\u003c\/h3\u003e\n\u003cul style=\"margin-bottom: 0; padding-left: 20px; font-size: 14px;\"\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eVibration Mitigation:\u003c\/strong\u003e Reduce feed rate (fn) by 20-30% as the tool approaches the centerline during parting-off to eliminate chatter and prevent insert breakage.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eThermal Cracking Control:\u003c\/strong\u003e Ensure high-pressure coolant is directed precisely at the cutting interface to prevent thermal shock and premature flank wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter Height Verification:\u003c\/strong\u003e Always verify that the lathe tool holder center height is exactly aligned with the workpiece axis to prevent rubbing and premature edge wear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-top: 15px; font-size: 12px; color: #666; text-align: center;\"\u003e\u003cem\u003eAuthoritative Reference: Compliant with ISO turning tooling standards and empirical industrial metalworking databases.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/footer\u003e\n\u003c\/div\u003e","brand":"KORLOY","offers":[{"title":"Default Title","offer_id":42484839415980,"sku":"MGGN300-02-M CN20","price":93.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/KORLOY_MGGN300-02-M_CN20_indexable_grooving_insert_box_containing_ten_carbide_cutting_inserts.jpg?v=1788849180","url":"https:\/\/cnchome-beyond.com\/products\/korloy-mggn300-02-m-cn20-3mm-cermet-grooving-insert","provider":"CNCHome-Beyond","version":"1.0","type":"link"}