{"product_id":"seco-02960699-tpmr321-m3-tp2501-carbide-turning-insert","title":"Seco 02960699 TPMR321-M3 TP2501 Carbide Turning Insert","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SECO 02960699 is a solid carbide turning insert in the TPMR-M3 series, designed for precision metal cutting in industrial machining applications. It features a 60-degree triangular insert shape with a 3\/8-inch inscribed circle and a 1\/64-inch corner radius. The insert carries a CVD-applied Duratomic multilayer coating — TiCN, Al2O3, and Cr — engineered for wear resistance and thermal stability. With three available cutting edges and a chamfered and honed cutting edge style, this insert is suited for productive use in steel and stainless steel turning operations. Licensed machinists and tool-and-die professionals will recognize the positive rake geometry and M3 chip breaker configuration as typical of general-purpose finishing and semi-finishing work.\u003c\/p\u003e\u003cp\u003eThis insert is used in external and internal turning applications including back turning, boring, facing, and general turning. It is classed to ISO code TPMR160304-M3 and ANSI industry standard number TPMR321-M3. Primary workpiece material is steel (ISO material code P), with secondary suitability for stainless steel (M) and cast iron (K). Recommended material grades are P10, P20, P30, and P35. The M3 chip breaker geometry supports controlled chip evacuation across these material groups. This is a multi-tipped insert with a neutral hand orientation and is sold individually with a minimum order quantity of 10 units.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCVD Duratomic coating: TiCN, Al2O3, and Cr layers for extended tool life on steel workpieces\u003c\/li\u003e\n\u003cli\u003e60-degree triangular shape with 3 usable cutting edges per insert\u003c\/li\u003e\n\u003cli\u003eM3 chip breaker for reliable chip control in steel, stainless steel, and cast iron\u003c\/li\u003e\n\u003cli\u003ePositive rake geometry with chamfered and honed cutting edge for reduced cutting forces\u003c\/li\u003e\n\u003cli\u003eNeutral hand orientation supports back turning, boring, facing, and turning applications\u003c\/li\u003e\n\u003cli\u003eMeets ANSI and ISO standards; ISO code TPMR160304-M3\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in TPMR-style clamp-type toolholders compatible with triangular TPMR inserts with a 3\/8-inch inscribed circle, 1\/8-inch insert thickness, and P-clearance. Suitable for toolholders conforming to ANSI and ISO TPMR insert seating standards.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eTurning inserts of this type are installed and indexed by qualified machinists following machine tool manufacturer guidelines. Power down and lock out the machine before indexing or replacing inserts. Use appropriate torque tools for clamp-style insert holders to secure the insert without cracking the carbide substrate. Discard inserts showing chipping, cratering, or coating breakdown — do not attempt to regrind CVD-coated carbide inserts.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: TPMR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: TPMR-M3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: Triangle (60 degrees)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 3\/8 inch (0.3750 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 1\/64 inch (0.0157 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 1\/8 inch (0.1252 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Length\u003c\/strong\u003e: 0.6496 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 0.6339 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Cutting Edges\u003c\/strong\u003e: 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake\u003c\/strong\u003e: Positive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 11 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearance Code\u003c\/strong\u003e: P\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTolerance Code\u003c\/strong\u003e: M\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: M3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Edge Style\u003c\/strong\u003e: Chamfered and Honed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Clamp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: TiCN, Al2O3, Cr (Duratomic CVD)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating Process\u003c\/strong\u003e: CVD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Steel (P)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecondary Workpiece Material\u003c\/strong\u003e: Stainless Steel (M), Cast Iron (K)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: P10, P20, P30, P35\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Code\u003c\/strong\u003e: TPMR160304-M3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustry Standard Number\u003c\/strong\u003e: TPMR321-M3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ANSI, ISO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Use Application\u003c\/strong\u003e: Back Turning, Boring, Facing, Turning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle or Multi Tipped\u003c\/strong\u003e: Multi Tipped\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Order Quantity\u003c\/strong\u003e: 10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.01 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23242105\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: SECO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 02960699\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SECO TOOLS","offers":[{"title":"Default Title","offer_id":51562556391730,"sku":"02960699","price":221.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/815d0ee148f84062d998bc95832aa852.jpg?v=1786479668","url":"https:\/\/voomisupply.com\/products\/seco-02960699-tpmr321-m3-tp2501-carbide-turning-insert","provider":"Voomi Supply","version":"1.0","type":"link"}