{"product_id":"sandvik-coromant-7860866-turning-insert-ccmt32-51-um-4425","title":"Sandvik Coromant 7860866 Turning Insert CCMT32.51-UM 4425","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SANDVIK COROMANT 7860866 is a CCMT-style solid carbide turning insert designed for external and internal turning operations on CNC lathes and turning centers. Manufactured under the CoroTurn 107 series, this insert carries a CVD-applied multilayer coating of TiCN, Al2O3, and TiN — a combination engineered to resist built-up edge on steel and cast iron workpieces. The 80-degree diamond shape (Insert Shape Code C) provides a strong cutting edge geometry, while the UM chip breaker controls chip flow across a broad range of depths and feed rates. It holds a 9.53 mm inscribed circle and a 0.4 mm corner radius, fitting CCMT 09 T3 toolholders. Installation and indexing are handled by machinists and CNC operators in production and job-shop environments.\u003c\/p\u003e\n\u003cp\u003eThis insert is suited for finishing and semi-finishing passes on steel (ISO P materials) and cast iron (ISO K materials) in both light production and high-mix turning setups. The neutral hand orientation makes it compatible with right-hand and left-hand toolholders that accept CCMT geometry inserts. The UM chip breaker geometry is optimized for moderate feed rates and varying depths of cut, making this insert practical across a wide range of part sizes and material conditions common in general machining. Two cutting edges are available per insert, supporting cost-effective indexing during tool changes.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eCVD multilayer coating: TiCN, Al2O3, and TiN for wear resistance on steel and cast iron\u003c\/li\u003e\n  \u003cli\u003e80-degree diamond insert shape (Code C) with strong nose geometry for reliable edge life\u003c\/li\u003e\n  \u003cli\u003eUM chip breaker designed for moderate feeds and variable depths of cut\u003c\/li\u003e\n  \u003cli\u003e0.4 mm corner radius (0.0156 inch) for finishing and semi-finishing surface quality\u003c\/li\u003e\n  \u003cli\u003eTwo cutting edges per insert for indexed use and reduced tooling cost per edge\u003c\/li\u003e\n  \u003cli\u003eClamp and screw holding method compatible with CoroTurn 107 series toolholders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use in SANDVIK COROMANT CoroTurn 107 series toolholders accepting CCMT 09 T3 insert geometry. ISO code CCMT 09 T3 04-UM 4425. Compatible with toolholders designed for clamp and screw insert retention with CCMT-style inserts. Primary workpiece materials are steel (ISO P) and cast iron (ISO K).\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInsert indexing and seating should be performed by a qualified machinist or CNC operator with the machine in a full lockout\/tagout state and spindle confirmed stationary. Inspect the insert pocket and clamping components for debris or wear before seating a new insert. Use the correct torque wrench and manufacturer-specified fasteners when securing clamp or screw retention — do not overtighten or substitute hardware. Confirm insert orientation matches the neutral-hand designation of the toolholder before resuming cutting operations.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: CCMT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: CoroTurn 107\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eISO Code\u003c\/strong\u003e: CCMT 09 T3 04-UM 4425\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: Diamond (80 degrees, Code C)\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\u003eChip Breaker\u003c\/strong\u003e: UM\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: 9.53 mm (0.1732 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.4 mm (0.0156 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\u003eRelief Angle\u003c\/strong\u003e: 7 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClearance Code\u003c\/strong\u003e: C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTolerance Code\u003c\/strong\u003e: M\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Cutting Edges\u003c\/strong\u003e: 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Clamp, Screw\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Steel (ISO P)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecondary Workpiece Material\u003c\/strong\u003e: Cast Iron (ISO K)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Length\u003c\/strong\u003e: 3.74 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Width\u003c\/strong\u003e: 1.54 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Height\u003c\/strong\u003e: 0.43 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.2 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\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: 7860866\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SANDVIK COROMANT","offers":[{"title":"Default Title","offer_id":51727820685618,"sku":"7860866","price":32.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/9b82abae9d3ec64cf9044fb5e905a1c4.jpg?v=1788683005","url":"https:\/\/voomisupply.com\/products\/sandvik-coromant-7860866-turning-insert-ccmt32-51-um-4425","provider":"Voomi Supply","version":"1.0","type":"link"}