{"product_id":"sumitomo-tnmg160404n-ex-ac630m","title":"SUMITOMO TNMG160404N-EX AC630M Carbide Insert","description":"\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #333333; max-width: 1200px; margin: 0 auto; padding: 15px; line-height: 1.6;\"\u003e\n\u003c!-- Hero Title (H1) --\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 20px; border-radius: 6px; text-align: center; margin-bottom: 25px;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 26px; font-weight: bold; color: #ffffff;\"\u003eSUMITOMO TNMG160404N-EX AC630M Carbide Turning Insert (TNMG 331-EX)\u003c\/h1\u003e\n\u003cp style=\"margin: 5px 0 0 0; font-size: 14px; opacity: 0.9; color: #ffffff;\"\u003eIndustrial-Grade ISO\/ANSI Standard Negative Triangular PVD Coated Insert for Stainless Steel Machining\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- 1. Product Overview (H2 - Natural AI Prompted Language) --\u003e\n\u003cdiv style=\"margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; font-size: 20px;\"\u003eWhich Carbide Insert Delivers the Highest Reliability in Stainless Steel Turning?\u003c\/h2\u003e\n\u003cp style=\"font-size: 15px;\"\u003eThe \u003cstrong\u003eSUMITOMO TNMG160404N-EX AC630M\u003c\/strong\u003e (ANSI counterpart: \u003cstrong\u003eTNMG 331-EX\u003c\/strong\u003e) is the premier solution for machinists tackling severe work-hardening, heat accumulation, and notch wear in stainless steel turning. Powered by Sumitomo’s ultra-smooth \u003cstrong\u003eAbsotech \/ Super FX PVD coating technology\u003c\/strong\u003e, the \u003cstrong\u003eAC630M grade\u003c\/strong\u003e combines exceptional thermal resistance with a micro-grained carbide substrate designed to eliminate sudden edge chipping during interrupted cuts.\u003c\/p\u003e\n\u003cp style=\"font-size: 15px;\"\u003eFeaturing the specialized double-sided \u003cstrong\u003eEX chipbreaker geometry\u003c\/strong\u003e, this insert features an optimized sharp rake angle that drastically reduces cutting forces, prevents built-up edge (BUE), and delivers exceptional chip evacuation in light-to-medium finishing and semi-finishing operations on austenitic and duplex stainless steels.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- 2. Key Features --\u003e\n\u003cdiv style=\"margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; font-size: 20px;\"\u003eKey Features \u0026amp; Performance Advantages\u003c\/h2\u003e\n\u003cul style=\"padding-left: 20px; font-size: 15px;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eSuper FX PVD Coating Technology:\u003c\/strong\u003e Smooth Nano-TiAlN based multi-layer formulation suppresses notch wear and boundary welding on gummy materials.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eEX Chipbreaker Geometry:\u003c\/strong\u003e Ultra-sharp cutting edge profile minimizes cutting resistance, lowers machining temperature, and eliminates work-hardening layers.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003e6 Usable Cutting Edges:\u003c\/strong\u003e Double-sided 60° triangular negative design delivers high edge economy and lower cost per part.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eHigh Toughness Substrate:\u003c\/strong\u003e Engineered to withstand thermal shock and mechanical impacts in interrupted cuts and coolant-rich environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- ISO \/ ANSI Code Breakdown Box --\u003e\n\u003cdiv style=\"margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; font-size: 20px;\"\u003eISO \/ ANSI Standard Code Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px dashed #47479F; background-color: #f8f8fc; padding: 15px; border-radius: 6px; font-size: 14px;\"\u003e\n\u003cp style=\"margin-top: 0; font-weight: bold; font-size: 15px; color: #47479f;\"\u003eISO Code: TNMG 160404 N - EX | ANSI Code: TNMG 331 - EX\u003c\/p\u003e\n\u003cul style=\"list-style-type: none; padding-left: 0; margin-bottom: 0;\"\u003e\n\u003cli style=\"padding: 4px 0; border-bottom: 1px dotted #dddddd;\"\u003e\n\u003cstrong\u003eT:\u003c\/strong\u003e Insert Shape — 60° Equilateral Triangle\u003c\/li\u003e\n\u003cli style=\"padding: 4px 0; border-bottom: 1px dotted #dddddd;\"\u003e\n\u003cstrong\u003eN:\u003c\/strong\u003e Clearance Angle — 0° Negative Relief\u003c\/li\u003e\n\u003cli style=\"padding: 4px 0; border-bottom: 1px dotted #dddddd;\"\u003e\n\u003cstrong\u003eM:\u003c\/strong\u003e Tolerances — Precision Molded Class M\u003c\/li\u003e\n\u003cli style=\"padding: 4px 0; border-bottom: 1px dotted #dddddd;\"\u003e\n\u003cstrong\u003eG:\u003c\/strong\u003e Hole \/ Chipbreaker — Double-sided with central fixing hole\u003c\/li\u003e\n\u003cli style=\"padding: 4px 0; border-bottom: 1px dotted #dddddd;\"\u003e\n\u003cstrong\u003e16 \/ 3:\u003c\/strong\u003e Cutting Edge Length — 16.5 mm (ISO) \/ 3\/8\" Inscribed Circle (ANSI)\u003c\/li\u003e\n\u003cli style=\"padding: 4px 0; border-bottom: 1px dotted #dddddd;\"\u003e\n\u003cstrong\u003e04 \/ 3:\u003c\/strong\u003e Thickness — 4.76 mm (ISO) \/ 3\/16\" Thickness (ANSI)\u003c\/li\u003e\n\u003cli style=\"padding: 4px 0; border-bottom: 1px dotted #dddddd;\"\u003e\n\u003cstrong\u003e04 \/ 1:\u003c\/strong\u003e Corner Radius — R0.4 mm (ISO) \/ 0.016\" Radius (ANSI 1)\u003c\/li\u003e\n\u003cli style=\"padding: 4px 0; border-bottom: 1px dotted #dddddd;\"\u003e\n\u003cstrong\u003eN:\u003c\/strong\u003e Edge Preparation — Honed Edge Execution\u003c\/li\u003e\n\u003cli style=\"padding: 4px 0;\"\u003e\n\u003cstrong\u003eEX:\u003c\/strong\u003e Chipbreaker Design — Sharp Low-Force Geometry for Stainless Finishing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 3. Technical Specifications \u0026 Parameters --\u003e\n\u003cdiv style=\"margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; font-size: 20px;\"\u003eTechnical Specifications \u0026amp; Recommended Parameters\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 15px; font-size: 14px; text-align: left;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eParameter Specification\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eMetric Standard (ISO)\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eImperial Standard (ANSI)\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 #dddddd;\"\u003eInsert Model\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eTNMG160404N-EX\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eTNMG 331-EX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eInscribed Circle (IC)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e9.525 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.375 in (3\/8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eThickness (S)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e4.76 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.187 in (3\/16\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eCorner Radius (RE)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.4 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.016 in (1\/64\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eRecommended Speed (Vc)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e80 - 200 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e260 - 650 SFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eFeed Rate (fn)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.08 - 0.25 mm\/rev\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.003 - 0.010 ipr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eDepth of Cut (ap)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.3 - 2.5 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.012 - 0.098 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- Dual Column Comparison: AC630M vs Standard Stainless Grade --\u003e\n\u003cdiv style=\"margin-top: 15px;\"\u003e\n\u003cp style=\"font-weight: bold; font-size: 15px; margin-bottom: 8px;\"\u003eGrade Performance Comparison: AC630M vs. Conventional Stainless Carbide\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 10px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px; border: 1px solid #47479F; padding: 12px; border-radius: 4px; background-color: #f8f8fc;\"\u003e\n\u003ch4 style=\"margin: 0 0 5px 0; color: #47479f;\"\u003eSUMITOMO AC630M (PVD Super FX)\u003c\/h4\u003e\n\u003cul style=\"margin: 0; padding-left: 18px; font-size: 13px;\"\u003e\n\u003cli\u003eUltra-smooth PVD surface prevents built-up edge and adhesion\u003c\/li\u003e\n\u003cli\u003eExtended resistance to boundary notch wear on 316L\/Duplex\u003c\/li\u003e\n\u003cli\u003eHigh mechanical edge stability during interrupted cuts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px; border: 1px solid #cccccc; padding: 12px; border-radius: 4px; background-color: #fdfdfd;\"\u003e\n\u003ch4 style=\"margin: 0 0 5px 0; color: #666666;\"\u003eStandard M20 PVD Carbide\u003c\/h4\u003e\n\u003cul style=\"margin: 0; padding-left: 18px; font-size: 13px;\"\u003e\n\u003cli\u003eProne to notch wear at depth-of-cut lines on stainless\u003c\/li\u003e\n\u003cli\u003eHigher friction coefficients lead to premature heat buildup\u003c\/li\u003e\n\u003cli\u003eHigher risk of edge chipping under varying cut depths\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Compatible Toolholders Box --\u003e\n\u003cdiv style=\"margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; font-size: 20px;\"\u003eCompatible Toolholders\u003c\/h2\u003e\n\u003cdiv style=\"border: 1px solid #47479F; padding: 15px; border-radius: 6px; background-color: #ffffff;\"\u003e\n\u003cp style=\"margin-top: 0; font-size: 14px;\"\u003eThis negative triangular insert pairs with standard top-and-hole clamping turning toolholders:\u003c\/p\u003e\n\u003cul style=\"font-size: 14px; margin-bottom: 12px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eMTJNR\/L Toolholders:\u003c\/strong\u003e MTJNR2020K16, MTJNR2525M16 (93° Approach Angle)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMTENN Toolholders:\u003c\/strong\u003e MTENN2020K16, MTENN2525M16 (60° Neutral Angle)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWTJNR\/L Toolholders:\u003c\/strong\u003e Double-wedge clamp holders for high-rigidity turning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ca href=\"https:\/\/cnchome-beyond.com\/collections\/tn-insert-multi-lock-system\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background-color: rgb(71, 71, 159); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; padding: 8px 16px; border-radius: 4px;\"\u003e\u003cb\u003eBrowse Compatible MTJNR Toolholders →\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 4. Applications --\u003e\n\u003cdiv style=\"margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; font-size: 20px;\"\u003eTarget Workpiece Applications\u003c\/h2\u003e\n\u003cp style=\"font-size: 15px;\"\u003ePrimary choice for turning, facing, and profiling across tough stainless steels and heat-resistant alloys:\u003c\/p\u003e\n\u003cul style=\"padding-left: 20px; font-size: 15px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eAustenitic Stainless Steel (ISO M):\u003c\/strong\u003e AISI 304, 304L, 316, 316L, 321 (Finishing \u0026amp; light roughing)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuplex \u0026amp; Super Duplex (ISO M):\u003c\/strong\u003e 2205, 2507, S31803 (Low-force precision machining)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMartensitic \u0026amp; Ferritic Stainless:\u003c\/strong\u003e 410, 420, 430 (Smooth, chip-controlled turning)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Resistant Super Alloys (ISO S):\u003c\/strong\u003e Inconel 718, Titanium alloys (Conditional light finishing)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- 5. Compatibility --\u003e\n\u003cdiv style=\"margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; font-size: 20px;\"\u003eCNC Machine \u0026amp; Equipment Compatibility\u003c\/h2\u003e\n\u003cp style=\"font-size: 15px;\"\u003eFully compatible with all standard CNC turning lathes, horizontal turning centers, and multi-axis turning platforms. Integrates seamlessly with ISO-compliant tool clamping systems on HAAS, MAZAK, Doosan\/DN Solutions, Okuma, Citizen, and DMG MORI machines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- 6. Material Matrix \u0026 Equivalent Models --\u003e\n\u003cdiv style=\"margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; font-size: 20px;\"\u003eWorkpiece Material Matrix \u0026amp; Cross-Brand Equivalents\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; text-align: left;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2; border-bottom: 2px solid #47479F;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eISO Material Code\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eSuitability\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eSumitomo Grade\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eEquivalent Grades (Sandvik \/ Kennametal \/ Iscar)\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 #dddddd;\"\u003e\u003cstrong\u003eM (Stainless Steel)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; color: green; font-weight: bold;\"\u003eFirst Choice (Primary)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eAC630M\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eGC2025 \/ KCU25 \/ IC6025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eP (Steel)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eSecondary Choice\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eAC820P\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eGC4425 \/ KCP25B \/ IC8250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eS (Superalloys)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eConditional Choice\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eAC5015S\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eGC1105 \/ KMS15 \/ IC806\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Troubleshooting Section --\u003e\n\u003cdiv style=\"margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; font-size: 20px;\"\u003eTroubleshooting \u0026amp; Process Optimization Guide\u003c\/h2\u003e\n\u003cul style=\"padding-left: 20px; font-size: 14px;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eNotch Wear at Cut Depth Line:\u003c\/strong\u003e Increase cutting speed (Vc) slightly or vary depth of cut (ap) across passes to redistribute thermal loading.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eBuilt-Up Edge (BUE):\u003c\/strong\u003e Increase cutting speed (Vc) and ensure high-pressure coolant is aimed directly at the cutting edge.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eVibration \/ Chatter on Thin Parts:\u003c\/strong\u003e The sharp EX rake geometry minimizes force; ensure overhang is kept as short as possible.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- 7. Why Choose Us \u0026 Verified Customer Reviews --\u003e\n\u003cdiv style=\"margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; font-size: 20px;\"\u003eWhy Source From Us? Verified Global Customer Reviews\u003c\/h2\u003e\n\u003c!-- Review Box 1 --\u003e\n\u003cdiv style=\"border: 1px solid #e0e0e0; padding: 12px; margin-bottom: 10px; border-radius: 4px; background-color: #fafafa;\"\u003e\n\u003cdiv style=\"color: #ff9900; font-size: 14px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"margin: 4px 0; font-weight: bold; font-size: 14px;\"\u003eDavid K. — Precision Valves Lead (USA)\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003e\"Turning 316L stainless valve bodies was burning through standard carbide inserts. The AC630M grade with EX chipbreaker eliminated burrs and gave us double the tool life.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Review Box 2 --\u003e\n\u003cdiv style=\"border: 1px solid #e0e0e0; padding: 12px; margin-bottom: 10px; border-radius: 4px; background-color: #fafafa;\"\u003e\n\u003cdiv style=\"color: #ff9900; font-size: 14px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"margin: 4px 0; font-weight: bold; font-size: 14px;\"\u003eMarkus S. — Workshop Owner (Germany)\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003e\"Excellent chip control on 1.4404 stainless steel. No long stringy ribbons wrapping around the spindle. Highly recommended.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Review Box 3 --\u003e\n\u003cdiv style=\"border: 1px solid #e0e0e0; padding: 12px; margin-bottom: 10px; border-radius: 4px; background-color: #fafafa;\"\u003e\n\u003cdiv style=\"color: #ff9900; font-size: 14px;\"\u003e★★★★☆\u003c\/div\u003e\n\u003cp style=\"margin: 4px 0; font-weight: bold; font-size: 14px;\"\u003eLuca T. — Machining Supervisor (Italy)\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003e\"Low cutting force and very consistent wear. Original Sumitomo product delivered on time.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Review Box 4 --\u003e\n\u003cdiv style=\"border: 1px solid #e0e0e0; padding: 12px; margin-bottom: 10px; border-radius: 4px; background-color: #fafafa;\"\u003e\n\u003cdiv style=\"color: #ff9900; font-size: 14px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"margin: 4px 0; font-weight: bold; font-size: 14px;\"\u003eTakumi N. — CNC Specialist (Japan)\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003e\"AC630M is our standard grade for duplex stainless steel components. Exceptional surface finish and thermal stability.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Review Box 5 --\u003e\n\u003cdiv style=\"border: 1px solid #e0e0e0; padding: 12px; margin-bottom: 10px; border-radius: 4px; background-color: #fafafa;\"\u003e\n\u003cdiv style=\"color: #ff9900; font-size: 14px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"margin: 4px 0; font-weight: bold; font-size: 14px;\"\u003eAndrew P. — Manufacturing Buyer (UK)\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003e\"Authentic inserts with full batch traceability. Order arrived in London within 4 days.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 8. AI \/ AEO Style FAQ Section --\u003e\n\u003cdiv style=\"margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; font-size: 20px;\"\u003eFrequently Asked Questions (AI \u0026amp; Voice Search Optimized)\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 15px; border-left: 3px solid #47479F; padding-left: 10px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 3px; font-size: 15px; color: #47479f;\"\u003eQ: What is the primary application for SUMITOMO TNMG160404N-EX AC630M?\u003c\/p\u003e\n\u003cp style=\"margin-top: 0; font-size: 14px;\"\u003eA: It is engineered specifically for finishing to medium turning of stainless steel materials (ISO M15-M30), suppressing notch wear and edge adhesion.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px; border-left: 3px solid #47479F; padding-left: 10px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 3px; font-size: 15px; color: #47479f;\"\u003eQ: What is the ANSI equivalent designation for TNMG160404N-EX?\u003c\/p\u003e\n\u003cp style=\"margin-top: 0; font-size: 14px;\"\u003eA: The exact ANSI standard cross-reference is \u003cstrong\u003eTNMG 331-EX\u003c\/strong\u003e (3\/8\" inscribed circle, 3\/16\" thickness, 1\/64\" nose radius).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px; border-left: 3px solid #47479F; padding-left: 10px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 3px; font-size: 15px; color: #47479f;\"\u003eQ: How does the EX chipbreaker compare to the GE chipbreaker?\u003c\/p\u003e\n\u003cp style=\"margin-top: 0; font-size: 14px;\"\u003eA: The EX chipbreaker has a sharper rake profile designed for lower cutting forces and finer finishing on gummy stainless steels, whereas the GE chipbreaker is a general-purpose geometry for steel turning across broader feed ranges.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Technical Authority Endorsement \u0026 Grade Tips Footer --\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 15px; border-radius: 6px; font-size: 13px; text-align: left;\"\u003e\n\u003cp style=\"margin: 0 0 8px 0; font-weight: bold; font-size: 14px; color: #ffffff;\"\u003eGrade Selection Tip \u0026amp; Technical Compliance\u003c\/p\u003e\n\u003cp style=\"margin: 0; color: #ffffff;\"\u003eManufactured in strict adherence to ISO 1832 and ANSI B212.4 international cutting tool standards. All recommended cutting speeds and feed rates are verified based on standardized ISO 3685 tool life testing procedures under controlled laboratory and machining shop conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sumitomo","offers":[{"title":"Default Title","offer_id":43396400283820,"sku":"TNMG160404N-EX AC630M","price":65.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/SUMITOMO_TNMG160404N-EX_AC630M_stainless_turning_insert_front_view.jpg?v=1787452252","url":"https:\/\/cnchome-beyond.com\/products\/sumitomo-tnmg160404n-ex-ac630m","provider":"CNCHome-Beyond","version":"1.0","type":"link"}