{"product_id":"korloy-mrmn600-m-nc3030-6mm-r3-profiling-insert","title":"KORLOY MRMN600-M NC3030 Indexable Grooving \u0026 Parting Inserts | MRMN Series CVD Coated Carbide Inserts for CNC Lathes (10pcs\/box) \/ MRMN600-M NC3030 0.236 inch Metric 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: 70px; border-radius: 4px; }\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: 30px; 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;\"\u003eKORLOY MRMN600-M NC3030 Indexable Grooving \u0026amp; Parting Inserts (10pcs\/box)\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0 0; font-size: 16px; opacity: 0.9;\"\u003eHigh-Performance CVD Coated Carbide Inserts for CNC Lathe Steel Grooving, Parting-Off, and Heavy-Duty Turning Applications\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 insert is best for heavy-duty steel parting and 6.0mm grooving applications?\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 15px;\"\u003e\u003cem\u003eWhich indexable grooving insert ensures superior wear resistance, excellent thermal stability, and prolonged tool life when executing heavy parting-off or 6.0mm grooving on CNC turning centers?\u003c\/em\u003e Verified by industrial metalworking standards, the \u003cstrong\u003eKORLOY MRMN600-M NC3030\u003c\/strong\u003e is engineered specifically for demanding steel machining tasks. It features the advanced \u003cstrong\u003eNC3030 grade\u003c\/strong\u003e—a specialized multi-layer CVD-coated carbide substrate optimized for high hardness, crater wear resistance, and edge toughness under continuous cutting conditions across carbon steels, alloy steels, and structural steels. Combined with its precision M-type chipbreaker geometry, it controls chip formation and ensures stable, reliable chip flow during deep grooving passes.\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\u003eNC3030 Advanced CVD Grade:\u003c\/strong\u003e Combines a wear-resistant carbide substrate with a robust multi-layer CVD coating designed to withstand high cutting speeds and prolonged thermal loads in steel turning.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eM-Type Chipbreaker Geometry:\u003c\/strong\u003e Designed to form tight, manageable chips that evacuate smoothly from 6.0mm wide grooves without crowding the cutting zone.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eRigid Locating Interface:\u003c\/strong\u003e Provides exceptional clamping security and precise repeatability under heavy radial and axial cutting loads.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eHigh Flank Wear Resistance:\u003c\/strong\u003e Resists abrasive wear and thermal cracking during uninterrupted roughing, profiling, and parting operations.\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;\"\u003eSpecification Parameter\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eMetric (ISO)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\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 Type \/ Series\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMRMN Grooving \u0026amp; Parting\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMRMN Grooving \u0026amp; Parting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCutting Width ($W$)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e6.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.236 inch (~15\/64\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eRecommended Feed ($f$) - Grooving\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.07 - 0.15 mm\/rev\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.0028 - 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;\"\u003eRecommended Feed ($f$) - Parting\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.04 - 0.10 mm\/rev\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.0016 - 0.0039 in\/rev\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCutting Speed ($Vc$) - Carbon \u0026amp; Alloy Steel\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e120 - 270 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e390 - 885 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: MRMN600-M NC3030\u003c\/h3\u003e\n\u003cdiv class=\"flex-container\" style=\"margin-bottom: 25px;\"\u003e\n\u003cdiv class=\"iso-box\"\u003e\n\u003cstrong\u003eMRMN\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size: 11px; color: #666;\"\u003eGrooving\/Part geometry\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-box\"\u003e\n\u003cstrong\u003e600\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size: 11px; color: #666;\"\u003e6.0mm cutting width\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: #666;\"\u003eMedium chipbreaker\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-box\"\u003e\n\u003cstrong\u003eNC3030\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size: 11px; color: #666;\"\u003eCVD Coated Grade\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Tool Holder Link Box --\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 15px; border-radius: 6px; background-color: #47479f; text-align: center;\"\u003e\n\u003cp style=\"margin: 0 0 10px 0; font-weight: bold; font-size: 15px; color: #ffffff;\"\u003eCompatible Tooling Link:\u003c\/p\u003e\n\u003ca href=\"https:\/\/cnchome-beyond.com\/search?q=MGEHR\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 15px;\"\u003e\u003cb\u003e\u003cu\u003eView Compatible External and Internal Lathe Grooving Tool Holders for MRMN Inserts\u003c\/u\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\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;\"\u003eDesigned for high-speed CNC lathe operations including external OD grooving, face grooving, standard bar stock parting-off, and profiling across carbon steels, alloy steels, and general structural metals.\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 standard MRMN-type external grooving tool blocks and parting blades matching 6mm pocket size specifications.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eMachine Platforms:\u003c\/strong\u003e Compatible with heavy-duty CNC turning centers, multi-axis lathes, and automatic bar machines.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eCoolant Systems:\u003c\/strong\u003e Fully supports flood coolant injection to enhance thermal regulation and chip evacuation across 6mm cuts.\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 NC3030 performs across different ISO material classifications ensures maximum machining efficiency.\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;\"\u003eISO Material Group\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eWorkpiece Description\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eKORLOY NC3030 Performance\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\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, Alloy Steel (C45, 4140, 1045)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eSuperior CVD coating adhesion and thermal resistance, providing exceptional tool life during high-speed steel turning and parting.\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eSandvik GC4325 \/ 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\u003eK Group (Cast Iron)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eGray Cast Iron, Nodular Cast Iron\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eHigh substrate hardness resists abrasive wear during intermittent cast iron grooving passes.\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eKennametal KCP25 \/ Kyocera PR1225\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;\"\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, guaranteeing original metallurgical properties 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;\"\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 tool life.\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;\"\u003eQ: What are the main advantages of the NC3030 CVD grade compared to PVD grades when machining carbon and alloy steels?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eA: NC3030 utilizes a specialized multi-layer CVD coating optimized for high thermal resistance and abrasive wear protection at higher cutting speeds ($Vc$), resulting in extended tool longevity in steel parting.\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;\"\u003eQ: How should feed rate be handled when breaking through the center during part-off with a 6mm insert?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eA: It is recommended to reduce the feed rate by 40% when the insert reaches the last 1.2mm of the center axis to eliminate burrs and protect the insert tip from impact shock.\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;\"\u003eQ: How many inserts are packaged per box?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eA: Each factory-sealed box contains 10 indexable 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\u003eBurr Formation on Center Break-Through:\u003c\/strong\u003e Verify that the tool center height is precisely aligned with the lathe spindle centerline.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eChatter and Vibration:\u003c\/strong\u003e Minimize tool overhang from the turret block and ensure the blade is rigidly clamped.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Jamming in Groove:\u003c\/strong\u003e Check coolant delivery pressure to ensure chips are flushed out of the 6.0mm wide groove efficiently.\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 lathe 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":43519759155372,"sku":"MRMN600-M NC3030","price":118.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/KORLOY_MRMN600-M_NC3030_indexable_grooving_and_parting_insert_packaging_box.jpg?v=1788594288","url":"https:\/\/cnchome-beyond.com\/products\/korloy-mrmn600-m-nc3030-6mm-r3-profiling-insert","provider":"CNCHome-Beyond","version":"1.0","type":"link"}