{"product_id":"sandvik-coromant-7861068-turning-insert-tcmt-223-pm-4425","title":"Sandvik Coromant 7861068 Turning Insert Tcmt 223-PM 4425","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SANDVIK COROMANT 7861068 is a TCMT-style turning insert from the CoroTurn 107 series, designed for external turning operations on CNC lathes and turning centers. It features a 60-degree diamond shape with a 7-degree relief angle and a neutral hand orientation. The insert carries grade 4425 solid carbide substrate with a CVD-applied multilayer coating of Al2O3, TiCN, and TiN for wear resistance and thermal stability. With a 0.0469-inch corner radius and a 0.25-inch inscribed circle, it is sized for finishing and semi-finishing passes. Machinists and CNC operators install this insert in compatible TCMT toolholders using a clamp or screw holding method.\u003c\/p\u003e\n\u003cp\u003eThis insert is suited for turning steel and cast iron workpiece materials, corresponding to ISO material groups P and K. It is used in both production machining environments and job-shop turning cells. The CoroTurn 107 series is engineered for light to medium cutting depths where close tolerances and consistent surface finish are required. The TCMT geometry with chip breaker code T (PM) promotes controlled chip flow and is appropriate for continuous-cut external turning on bar stock and turned components.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e60-degree diamond insert shape (TCMT) with 7-degree relief angle and neutral hand\u003c\/li\u003e\n  \u003cli\u003eGrade 4425 carbide substrate with CVD-applied Al2O3, TiCN, and TiN multilayer coating\u003c\/li\u003e\n  \u003cli\u003e0.0469-inch corner radius for finishing and semi-finishing applications\u003c\/li\u003e\n  \u003cli\u003e0.25-inch inscribed circle, 0.125-inch insert thickness\u003c\/li\u003e\n  \u003cli\u003ePM chip breaker geometry for controlled chip evacuation on ISO P and K materials\u003c\/li\u003e\n  \u003cli\u003eCompatible with clamp and screw holding methods; ISO code TCMT 11 03 12-PM 4425\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use in TCMT-style toolholders that accept inserts with a 0.25-inch inscribed circle and clamp or screw holding; ISO industry standard number TCMT 11 03 12-PM 4425 applies for cross-reference to compatible toolholder systems.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by machinists or CNC tooling specialists following the toolholder manufacturer torque and clamping specifications for TCMT screw-on or clamp-style holders. Disengage the machine spindle and confirm the turret is fully stopped before seating or indexing the insert. Inspect the insert pocket and seating surface for chips or debris before clamping. Do not exceed the insert manufacturer recommended depth of cut or feed rate for the 4425 grade and PM chip breaker combination.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: TCMT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eISO Code\u003c\/strong\u003e: TCMT 11 03 12-PM 4425\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: Diamond, 60 degrees included angle\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 7 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 0.25 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.0469 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 0.125 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: 4425\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Carbide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: Al2O3, TiCN, TiN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating Process\u003c\/strong\u003e: CVD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: PM (T)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: ISO P, ISO K\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHolding Method\u003c\/strong\u003e: Clamp, Screw\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: CoroTurn 107\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Dimensions\u003c\/strong\u003e: 3.74 inches L x 1.54 inches W x 0.44 inches H\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.44 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23242105\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: SANDVIK COROMANT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 7861068\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SANDVIK COROMANT","offers":[{"title":"Default Title","offer_id":51733191721266,"sku":"7861068","price":232.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/d984c8a7818954f1cdc6640d9e128210_edd048fa-d1c9-49dd-8794-763bb03bb98c.jpg?v=1788752564","url":"https:\/\/voomisupply.com\/products\/sandvik-coromant-7861068-turning-insert-tcmt-223-pm-4425","provider":"Voomi Supply","version":"1.0","type":"link"}