{"product_id":"kyocera-tnmg160404hq-tn620","title":"KYOCERA TNMG160404HQ TN620 Carbide Insert (TNMG 331HQ)","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\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;\"\u003eKYOCERA TNMG160404HQ TN620 Cermet Turning Insert (TNMG 331HQ)\u003c\/h1\u003e\n\u003cp style=\"margin: 5px 0 0 0; font-size: 14px; opacity: 0.9; color: #ffffff;\"\u003ePrecision ISO\/ANSI Standard Negative Triangular Insert for Steel Finishing \u0026amp; Medium Cutting\u003c\/p\u003e\n\u003c\/div\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 Cermet Insert Delivers the Best Surface Finish in High-Speed Steel Turning?\u003c\/h2\u003e\n\u003cp style=\"font-size: 15px;\"\u003eThe \u003cstrong\u003eKYOCERA TNMG160404HQ TN620\u003c\/strong\u003e (ANSI Equivalent: \u003cstrong\u003eTNMG 331HQ\u003c\/strong\u003e) is the industry-leading solution for machinists seeking superior surface quality, high dimensional accuracy, and extended tool life during steel turning operations. Powered by Kyocera’s advanced micro-grained hybrid cermet substrate, the \u003cstrong\u003eTN620 grade\u003c\/strong\u003e provides excellent thermal conductivity and extreme resistance to plastic deformation, crater wear, and adhesion (built-up edge).\u003c\/p\u003e\n\u003cp style=\"font-size: 15px;\"\u003eFeaturing the double-sided \u003cstrong\u003eHQ 3D chipbreaker geometry\u003c\/strong\u003e, this insert offers outstanding chip evacuation across medium feed rates and light-to-medium depths of cut, ensuring predictable performance under CNC lathe automation.\u003c\/p\u003e\n\u003c\/div\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\u003eAdvanced Hybrid Cermet Substrate (TN620):\u003c\/strong\u003e Formulated with ultrafine TiCN-based phase to prevent notch wear and edge chipping under high cutting speeds.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eHQ Chipbreaker Geometry:\u003c\/strong\u003e Optimizes chip curling and curl-breaking forces during steel finishing and light roughing, reducing chatter and spindle loads.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003e6-Edge Cost Efficiency:\u003c\/strong\u003e Double-sided 60° triangular negative geometry yields 6 usable cutting edges per insert to maximize ROI.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eSuperior Surface Roughness:\u003c\/strong\u003e Eliminates secondary grinding steps by delivering mirror-like turning finishes on carbon steels and alloy steels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\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 Model 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 HQ | ANSI Code: TNMG 331 HQ\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 — Equilateral 60° 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 Angle\u003c\/li\u003e\n\u003cli style=\"padding: 4px 0; border-bottom: 1px dotted #dddddd;\"\u003e\n\u003cstrong\u003eM:\u003c\/strong\u003e Tolerance Class — Precision Molded Tolerances\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 center 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 \/ Inscribed Circle — 16.5 mm (ISO) \/ 3\/8\" IC (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;\"\u003e\n\u003cstrong\u003eHQ:\u003c\/strong\u003e Chipbreaker Type — Medium to Light Cutting 3D Geometry\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\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 Cutting 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;\"\u003eSpecification Parameter\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;\"\u003eModel Designation\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eTNMG160404HQ\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eTNMG 331HQ\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;\"\u003e140 - 280 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e460 - 920 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\u003cdiv style=\"margin-top: 15px;\"\u003e\n\u003cp style=\"font-weight: bold; font-size: 15px; margin-bottom: 8px;\"\u003ePerformance Comparison: Cermet TN620 vs. Standard Coated 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;\"\u003eKYOCERA TN620 Cermet\u003c\/h4\u003e\n\u003cul style=\"margin: 0; padding-left: 18px; font-size: 13px;\"\u003e\n\u003cli\u003eSuperior high-speed oxidation resistance\u003c\/li\u003e\n\u003cli\u003eZero built-up edge; high dimensional tolerance retention\u003c\/li\u003e\n\u003cli\u003eProduces Ra 0.8–1.6 µm fine surface finish directly\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 Coated Carbide\u003c\/h4\u003e\n\u003cul style=\"margin: 0; padding-left: 18px; font-size: 13px;\"\u003e\n\u003cli\u003eProne to edge buildup at higher speeds\u003c\/li\u003e\n\u003cli\u003eHigher friction coefficient on mild steels\u003c\/li\u003e\n\u003cli\u003eRequires lower cutting speeds in fine finishing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\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 (TNMG1604 \/ TNMG 33) pairs seamlessly with ISO\/ANSI compliant top-and-hole clamping 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-action clamp systems for high precision\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\u003eView Compatible MTJNR Toolholders →\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\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, chamfering, and profiling in the following ISO material groups:\u003c\/p\u003e\n\u003cul style=\"padding-left: 20px; font-size: 15px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon Steels (ISO P):\u003c\/strong\u003e 1018, 1045, 1050 (Continuous turning \u0026amp; high speed finishing)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlloy Steels (ISO P):\u003c\/strong\u003e 4140, 4340, 8620 (General turning with steady cuts)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing Steels \u0026amp; Die Steels:\u003c\/strong\u003e GCr15, P20 (Medium-speed smooth profiling)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuctile Cast Irons (ISO K):\u003c\/strong\u003e QT400, QT500 (Dry or wet finish turning)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\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;\"\u003eCompatible with all standard CNC turning lathes, horizontal turning centers, and multi-axis Swiss-type machines equipped with ISO-standard clamp toolholders. Fully adaptable for automation systems on HAAS, MAZAK, Doosan\/DN Solutions, Okuma, Citizen, and DMG MORI turning platforms.\u003c\/p\u003e\n\u003c\/div\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;\"\u003eKyocera 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\u003eP (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;\"\u003eTN620\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eCT5015 \/ KT315 \/ IC20N\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\u003eK (Cast Iron)\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;\"\u003ePV720 \/ TN620\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eGC3210 \/ KCK15 \/ IC530N\u003c\/td\u003e\n\u003c\/tr\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;\"\u003eConditional Choice\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003ePR1535\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eGC2025 \/ KCU25 \/ IC6025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\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\u003eChipping \/ Thermal Shock Fractures:\u003c\/strong\u003e Cermet is sensitive to heavy intermittent cuts. Reduce coolant thermal shock by using dry cutting with air blow, or ensure continuous high-pressure coolant delivery.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eFlank Wear Accelerating:\u003c\/strong\u003e Reduce cutting speed (Vc) by 15% or select PV720 PVD-coated cermet grade for increased wear resistance.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eLong Stringy Chips \/ Surface Scratching:\u003c\/strong\u003e Increase feed rate (fn) above 0.12 mm\/rev to fully activate the HQ chipbreaker's 3D curling ridges.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\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 Choose Us? Verified Global Customer Reviews\u003c\/h2\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;\"\u003eMichael B. — CNC Machine Shop Owner (USA)\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003e\"We running 4140 pre-hardened shafts. The Kyocera TN620 gives us a mirror surface finish without needing a secondary cylindrical grinding pass. Tool life is very consistent.\"\u003c\/p\u003e\n\u003c\/div\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;\"\u003eJürgen K. — Tooling Specialist (Germany)\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003e\"Authentic Kyocera inserts shipped directly. Outstanding performance on high-speed steel finishing. Excellent service and rapid clearance.\"\u003c\/p\u003e\n\u003c\/div\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;\"\u003eMatteo R. — Production Supervisor (Italy)\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003e\"The HQ chipbreaker controls chips perfectly at light depths of cut. Great choice for automated lathe runs.\"\u003c\/p\u003e\n\u003c\/div\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;\"\u003eHiroshi S. — Precision Turning Machinist (Japan)\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003e\"TN620 is my go-to cermet grade for automotive component finishing. Very high stability and minimum dimensional drift.\"\u003c\/p\u003e\n\u003c\/div\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;\"\u003eCarlos M. — Manufacturing Lead (Mexico)\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003e\"Prompt shipping to our plant. Quality is top-notch, batch-to-batch consistency is verified.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\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: Is KYOCERA TNMG160404HQ TN620 suitable for heavy interrupted cuts?\u003c\/p\u003e\n\u003cp style=\"margin-top: 0; font-size: 14px;\"\u003eA: No. Cermet grades like TN620 are optimized for continuous to light interrupted finishing cuts at higher cutting speeds. For heavy interrupted turning, a tough PVD\/CVD-coated carbide grade like Kyocera CA5525 or PR1125 is recommended.\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 equivalent ANSI designation for TNMG160404HQ?\u003c\/p\u003e\n\u003cp style=\"margin-top: 0; font-size: 14px;\"\u003eA: The exact ANSI standard designation is \u003cstrong\u003eTNMG 331HQ\u003c\/strong\u003e, featuring a 3\/8\" inscribed circle, 3\/16\" thickness, and 1\/64\" corner 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: Should I run KYOCERA TN620 cermet inserts wet or dry?\u003c\/p\u003e\n\u003cp style=\"margin-top: 0; font-size: 14px;\"\u003eA: TN620 cermet performs exceptionally well in dry cutting conditions (with air blow for chip removal) to prevent thermal shock micro-cracking. If using coolant, maintain a continuous high-volume flow directed at the cutting zone.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\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; Industry Compliance\u003c\/p\u003e\n\u003cp style=\"margin: 0; color: #ffffff;\"\u003eManufactured in strict accordance with ISO 1832 and ANSI B212.4 machining standards. Performance parameters verified based on ISO 3685 tool life testing methodology under stable workshop conditions. For severe interrupted cutting, consult our engineering support for carbide grade alternatives.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KYOCERA","offers":[{"title":"Default Title","offer_id":43315125584044,"sku":"TNMG160404HQ TN620","price":38.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/KYOCERA_TNMG160404HQ_TN620_cermet_insert_front_view.jpg?v=1787013273","url":"https:\/\/cnchome-beyond.com\/products\/kyocera-tnmg160404hq-tn620","provider":"CNCHome-Beyond","version":"1.0","type":"link"}