{"product_id":"sandvik-coromant-7859099-turning-insert-ccmt432-um-4415","title":"Sandvik Coromant 7859099 Turning Insert CCMT432-UM 4415","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SANDVIK COROMANT 7859099 is a solid carbide turning insert designated CCMT432-UM 4415, part of the CoroTurn 107 series. It features a CVD-applied multilayer coating of TiCN, Al2O3, and TiN, engineered for high wear resistance with moderate toughness on steel workpieces. The insert carries an 80-degree diamond (rhombic) shape with a 0.79 mm (0.0313 inch) corner radius and a 12.70 mm (0.5 inch) inscribed circle. Neutral hand orientation and positive side clearance make it straightforward to index. This insert is sized for roughing and medium machining operations where consistent tool life and chip control are the priority. Licensed machinists and CNC turning specialists are the primary users.\u003c\/p\u003e\n\u003cp\u003eThis insert is applied in CNC turning centers and engine lathes for external and internal turning of steel components. The UM chip breaker geometry is suited for roughing and medium machining passes on P-grade steels, delivering effective chip evacuation across a range of depths of cut and feed rates. The grade 4415 coating system balances wear resistance and edge toughness, making it appropriate for continuous or light interrupted cuts in production turning environments. The ANSI insert code is CCMT432 and the ISO insert code is CCMT120408, also referenced as CCMT 12 04 08-UM 4415.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eCVD multilayer coating: TiCN, Al2O3, and TiN for high wear resistance on steel (ISO P grade)\u003c\/li\u003e\n  \u003cli\u003e80-degree diamond (rhombic) insert shape with positive side clearance for reduced cutting forces\u003c\/li\u003e\n  \u003cli\u003eUM chip breaker geometry optimized for roughing and medium machining operations\u003c\/li\u003e\n  \u003cli\u003e0.79 mm (0.0313 inch) corner radius suits a range of surface finish and edge strength requirements\u003c\/li\u003e\n  \u003cli\u003eNeutral hand insert compatible with standard CCMT-style clamp and screw-type toolholders\u003c\/li\u003e\n  \u003cli\u003eCoroTurn 107 series for consistent insert indexing and repeatability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use in CCMT-style clamp and screw-type toolholders compatible with the CoroTurn 107 series. ANSI insert code CCMT432; ISO insert code CCMT120408. Confirm toolholder pocket geometry and insert seat dimensions before installation.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by qualified machinists or CNC tooling technicians. Power down and lock out the machine spindle before indexing or replacing inserts. Use the correct torque driver for the clamping screw to ensure proper seating without cracking the insert. Inspect the toolholder pocket for wear or debris before seating a new insert, as a damaged pocket will reduce insert life and dimensional accuracy.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eANSI Insert Code\u003c\/strong\u003e: CCMT432\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eISO Insert Code\u003c\/strong\u003e: CCMT120408\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: C - Diamond (Rhombic) 80 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncluded Angle\u003c\/strong\u003e: 80 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.79 mm (0.0313 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 12.70 mm (0.5 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 4.76 mm (0.1875 inches)\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\u003eInsert Hand\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Solid Carbide\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\u003eManufacturer Grade\u003c\/strong\u003e: 4415\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: UM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChip Breaker Operation\u003c\/strong\u003e: Roughing, Medium Machining\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Steel (ISO P) - High Wear-Resistance 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\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 0.43 inches (H)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.02 pounds\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: 7859099\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SANDVIK COROMANT","offers":[{"title":"Default Title","offer_id":51749141446962,"sku":"7859099","price":331.01,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/56cfa8393514d5f7997916e6a14e8a9e_702d221e-25d5-41d9-87c4-970a58baed49.jpg?v=1788902550","url":"https:\/\/voomisupply.com\/products\/sandvik-coromant-7859099-turning-insert-ccmt432-um-4415","provider":"Voomi Supply","version":"1.0","type":"link"}