{"product_id":"sandvik-coromant-7231380-turning-insert-dnmg432-mm-2220","title":"Sandvik Coromant 7231380 Turning Insert DNMG432-MM 2220","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SANDVIK COROMANT 7231380 is a DNMG-style turning insert designed for general turning operations on CNC lathes and turning centers. It belongs to the T-Max P series and carries manufacturer grade 2220, a CVD-applied multilayer coating of TiCN, Al2O3, and TiN engineered for wear resistance and thermal stability. The insert features a 55-degree diamond shape with a neutral hand orientation, a 0.5000-inch inscribed circle, and a 0.0313-inch (1\/32 inch) corner radius. The MM chip breaker geometry is optimized for controlled chip formation. Machinists and CNC operators install this insert in compatible toolholders for finishing and semi-finishing passes.\u003c\/p\u003e\u003cp\u003eThis insert is rated for primary use on stainless steel (ISO material code M), making it suitable for turning austenitic, ferritic, and duplex stainless alloys in aerospace, food processing, and general manufacturing applications. Its four cutting edges maximize cost-per-edge efficiency in production environments. The DNMG insert style uses both clamp and pin holding methods, providing secure seating under interrupted and continuous cutting conditions common in medium-duty turning setups.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCVD multilayer coating: TiCN, Al2O3, and TiN for wear resistance on stainless steel\u003c\/li\u003e\n\u003cli\u003eMM chip breaker geometry for reliable chip control in semi-finishing and finishing cuts\u003c\/li\u003e\n\u003cli\u003eFour usable cutting edges for reduced tooling cost per edge\u003c\/li\u003e\n\u003cli\u003eNeutral hand orientation fits a wide range of standard DNMG toolholders\u003c\/li\u003e\n\u003cli\u003eGrade 2220 optimized for ISO M (stainless steel) primary workpiece material\u003c\/li\u003e\n\u003cli\u003eClamp and pin holding method for secure insert retention under variable cutting loads\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in toolholders accepting DNMG 432 style inserts with clamp and pin holding. Verify toolholder bore and clamp style before installation. ISO designation: DNMG 15 04 08-MM 2220.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by qualified machinists or CNC tooling technicians. Power down and lock out the machine spindle before changing inserts. Use the appropriate torque wrench or screwdriver specified by the toolholder manufacturer for the clamping pin or screw — do not over-tighten or use impact tools on insert hardware. Inspect the insert pocket and seating surface for chips or debris before seating the new insert to ensure proper contact and dimensional accuracy.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: DNMG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: T-Max P\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: 2220\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: Diamond (55 degrees included angle)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Shape Code\u003c\/strong\u003e: D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: MM\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: 0.5000 inches (12.70 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.0313 inches (1\/32 inch, 0.79 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 0.1875 inches (3\/16 inch, 4.76 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole Diameter\u003c\/strong\u003e: 0.2030 inches (5.16 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Cutting Edges\u003c\/strong\u003e: 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Clamp and Pin\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 Material\u003c\/strong\u003e: Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 0 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearance Code\u003c\/strong\u003e: N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTolerance Code\u003c\/strong\u003e: M\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Stainless Steel (ISO Code M)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Code\u003c\/strong\u003e: DNMG 15 04 08-MM 2220\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Size Code\u003c\/strong\u003e: 432\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: SANDVIK COROMANT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 7231380\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SANDVIK COROMANT","offers":[{"title":"Default Title","offer_id":51749498650930,"sku":"7231380","price":300.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/6eda87883d4033cf68056463616cf527.jpg?v=1788906856","url":"https:\/\/voomisupply.com\/products\/sandvik-coromant-7231380-turning-insert-dnmg432-mm-2220","provider":"Voomi Supply","version":"1.0","type":"link"}