{"product_id":"sandvik-coromant-7860863-turning-insert-dcmt32-51-uf-4425","title":"Sandvik Coromant 7860863 Turning Insert DCMT32.51-UF 4425","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SANDVIK COROMANT 7860863 is a solid carbide turning insert designed for precision finishing operations on CNC lathes and turning centers. Carrying the ANSI code DCMT32.51 and ISO code DCMT11T304, this insert features a 55-degree diamond (rhombic) shape with a positive side clearance and a 7-degree relief angle. The CVD-applied multilayer coating — TiCN, Al2O3, and TiN — delivers high wear resistance with moderate toughness, making it well suited for steel workpieces classified under ISO material group P. The UF chip breaker geometry is optimized for finishing cuts, producing consistent chip control at light depths of cut and fine feed rates. Licensed machinists and CNC operators install this insert in compatible toolholders as a direct working consumable.\u003c\/p\u003e\u003cp\u003eThis insert belongs to the Sandvik Coromant CoroTurn 107 series, a platform widely used in external turning, profiling, and finishing of steel components. The neutral hand orientation supports use in standard right-hand and select left-hand toolholder configurations. Typical applications include finish turning of shafts, flanges, and bored components where tight dimensional tolerances and smooth surface finish are required. The grade 4425 designation targets steel materials demanding a balance of wear resistance and edge stability at moderate cutting speeds.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCVD multilayer coating: TiCN, Al2O3, and TiN for high wear resistance on steel (ISO P) workpieces\u003c\/li\u003e\n\u003cli\u003eUF chip breaker geometry optimized for finishing operations with fine feeds and light depths of cut\u003c\/li\u003e\n\u003cli\u003e55-degree diamond insert shape provides a sharp, accessible cutting edge for profiling and contouring\u003c\/li\u003e\n\u003cli\u003ePositive side clearance and 7-degree relief angle reduce cutting forces and minimize workpiece deflection\u003c\/li\u003e\n\u003cli\u003eCompatible with clamp and screw insert-holding methods for secure, repeatable seating\u003c\/li\u003e\n\u003cli\u003eCoroTurn 107 series platform for broad toolholder availability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in SANDVIK COROMANT CoroTurn 107 series toolholders accepting DCMT-style inserts with ANSI size code 32.51 and ISO size code 11T304. Insert holding methods include clamp and screw configurations.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by qualified CNC machinists or toolroom technicians. Power down and lock out the machine spindle before changing inserts. Seat the insert fully against the pocket locating surfaces before tightening the clamp or screw to avoid micro-movement during cutting. Inspect the insert pocket and shim for damage or debris before each insert change to maintain dimensional accuracy.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eANSI Insert Code\u003c\/strong\u003e: DCMT32.51\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Insert Code\u003c\/strong\u003e: DCMT11T304\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: D - Diamond (Rhombic) 55 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: UF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker Operation\u003c\/strong\u003e: Finishing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: 4425\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: TiCN, Al2O3, TiN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating Process\u003c\/strong\u003e: CVD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 7 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSide Clearance\u003c\/strong\u003e: Positive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.40 mm (0.0156 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 9.53 mm (0.3750 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 3.97 mm (0.1563 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: CoroTurn 107\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Steel (ISO P) - High to Moderate Wear-Resistance and Toughness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Clamp, Screw\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1 insert per package\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\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\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: 7860863\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SANDVIK COROMANT","offers":[{"title":"Default Title","offer_id":51732846674226,"sku":"7860863","price":275.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/38d0dd9a124e936ff091c54d0f8aa218_d9e5fc76-b023-44ea-ae4b-9a621f625212.jpg?v=1788747476","url":"https:\/\/voomisupply.com\/products\/sandvik-coromant-7860863-turning-insert-dcmt32-51-uf-4425","provider":"Voomi Supply","version":"1.0","type":"link"}