{"product_id":"sandvik-coromant-7231440-turning-insert-snmm866-mr-2220","title":"Sandvik Coromant 7231440 Turning Insert SNMM866-MR 2220","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SANDVIK COROMANT 7231440 is a SNMM-style square turning insert designed for external turning operations on CNC lathes and turning centers. It carries the 2220 carbide grade with a CVD-applied multilayer coating of TiCN, Al2O3, and TiN, which provides wear resistance and thermal stability during continuous and interrupted cuts. The insert features a neutral hand orientation, a 1-inch inscribed circle, a 3\/32-inch (0.0937 inch) corner radius, and delivers four usable cutting edges per insert. It belongs to the T-Max P series and is installed by machinists and CNC turning specialists in production and job-shop environments.\u003c\/p\u003e\u003cp\u003eThis insert is engineered primarily for turning stainless steel workpieces, where CVD multilayer coatings help manage built-up edge and cratering. The MR chip breaker geometry supports medium-roughing applications where controlled chip formation and tool life are priorities. It fits standard SNMM insert pockets on tool holders designed for the T-Max P series. Typical applications include shaft turning, facing, and profile turning on austenitic and martensitic stainless alloys in both light production and general-purpose turning setups.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCVD multilayer coating: TiCN plus Al2O3 plus TiN for wear resistance on stainless steel\u003c\/li\u003e\n\u003cli\u003eFour cutting edges per insert for extended tool life per unit\u003c\/li\u003e\n\u003cli\u003eMR chip breaker geometry suited for medium-roughing cuts\u003c\/li\u003e\n\u003cli\u003e1-inch inscribed circle and 90-degree square shape for rigid clamping stability\u003c\/li\u003e\n\u003cli\u003eCompatible with clamp-and-pin insert holding methods\u003c\/li\u003e\n\u003cli\u003eNeutral hand orientation for use in standard right-hand and left-hand holders\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in T-Max P series turning tool holders accepting SNMM insert style with clamp and pin holding method. ISO code SNMM 25 09 24-MR 2220 identifies the full specification for holder matching.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by qualified machinists or CNC setup technicians. Power down and lock out the machine spindle before seating or indexing the insert. Ensure the insert pocket and clamp surfaces are clean and free of chips before torquing the clamp screw to the tool holder specification. Do not exceed the manufacturer-rated depth of cut or feed rate for the 2220 grade, and inspect all four cutting edges before indexing to avoid running a compromised edge.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: SNMM\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 Material\u003c\/strong\u003e: 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\u003eInsert Shape\u003c\/strong\u003e: Square (90 degrees)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 1 inch (25.40 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 3\/32 inch (0.0937 inch \/ 2.38 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 3\/8 inch (0.375 inch \/ 9.53 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole Diameter\u003c\/strong\u003e: 0.359 inch (9.12 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 Hand\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: MR\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\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Size Code\u003c\/strong\u003e: 866\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Code\u003c\/strong\u003e: SNMM 25 09 24-MR 2220\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23242105\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\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: 7231440\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SANDVIK COROMANT","offers":[{"title":"Default Title","offer_id":51727901753650,"sku":"7231440","price":624.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/27b65efc158809f16020a197fa6cbdf4.jpg?v=1788684256","url":"https:\/\/voomisupply.com\/products\/sandvik-coromant-7231440-turning-insert-snmm866-mr-2220","provider":"Voomi Supply","version":"1.0","type":"link"}