{"product_id":"korloy-mrmn500-m-nc3120-5mm-profiling-insert","title":"KORLOY MRMN500-M NC3120 Indexable Grooving \u0026 Parting Inserts | MRMN Series CVD Coated Carbide Inserts for CNC Lathes (10pcs\/box) \/ MRMN500-M NC3120 0.197 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 MRMN500-M NC3120 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 versatile steel parting and 5.0mm grooving applications?\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 15px;\"\u003e\u003cem\u003eWhich indexable grooving insert ensures superior balance of wear resistance, thermal stability, and prolonged tool life when executing parting-off or 5.0mm grooving on CNC turning centers?\u003c\/em\u003e Verified by industrial metalworking standards, the \u003cstrong\u003eKORLOY MRMN500-M NC3120\u003c\/strong\u003e is engineered specifically for versatile steel machining tasks. It features the advanced \u003cstrong\u003eNC3120 grade\u003c\/strong\u003e—a specialized multi-layer CVD-coated carbide substrate optimized for high fracture toughness, crater wear resistance, and edge reliability under continuous and moderately interrupted 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\u003eNC3120 Advanced CVD Grade:\u003c\/strong\u003e Combines a balanced carbide substrate with a robust multi-layer CVD coating designed to withstand moderate cutting speeds and thermal loads in general 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 5.0mm 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 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 edge chipping during general 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;\"\u003e5.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.197 inch (~13\/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;\"\u003e0.06 - 0.14 mm\/rev\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.0024 - 0.0055 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;\"\u003e0.03 - 0.09 mm\/rev\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.0012 - 0.0035 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;\"\u003e110 - 250 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e360 - 820 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: MRMN500-M NC3120\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\u003e500\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size: 11px; color: #666;\"\u003e5.0mm 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\u003eNC3120\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 5mm 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 5mm 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 NC3120 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 NC3120 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;\"\u003eDelivers reliable general-purpose wear resistance and thermal toughness during continuous or light intermittent steel 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;\"\u003eSubstrate composition provides adequate resistance against abrasive wear in stable cast iron grooving.\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 characteristics of the NC3120 CVD grade for carbon and alloy steel turning?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eA: NC3120 is designed as a versatile CVD grade offering a balanced combination of coating adhesion and thermal resistance, making it ideal for general-purpose grooving and parting-off applications.\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 5mm 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 1.0mm 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 5.0mm 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":43519757189292,"sku":"MRMN500-M NC3120","price":103.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/KORLOY_MRMN500-M_NC3120_indexable_grooving_and_parting_insert_packaging_box.jpg?v=1788595038","url":"https:\/\/cnchome-beyond.com\/products\/korloy-mrmn500-m-nc3120-5mm-profiling-insert","provider":"CNCHome-Beyond","version":"1.0","type":"link"}