{"product_id":"seco-03273904-cnmg432-mf4-tm2501-carbide-turning-insert","title":"Seco 03273904 CNMG432-MF4 TM2501 Carbide Turning Insert","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SECO 03273904 is a CNMG432-MF4 indexable turning insert in the TM2501 grade, designed for precision metal cutting in CNC and manual turning applications. The insert is manufactured from carbide with a CVD-applied Duratomic multilayer coating of TiCN, Al2O3, and Cr, which improves wear resistance and extends tool life in demanding cuts. It features a diamond 80-degree insert shape, a 0.5-inch inscribed circle, a corner radius of 0.0315 inches, and 4 cutting edges per insert. The MF4 chip breaker geometry is suited for finishing and semi-finishing operations. This insert is installed by machinists and CNC operators working in production and job-shop environments.\u003c\/p\u003e\u003cp\u003eThe SECO 03273904 is intended primarily for turning, facing, and boring of stainless steel and steel workpieces. With a primary workpiece material code of M (stainless steel) and a secondary code of P (steel), it performs across material grades M25, M30, and M35. The MF4 chip breaker and chamfered-and-honed cutting edge style make it well suited for finishing passes where controlled chip formation and surface finish are critical. It accommodates a maximum depth of cut of 0.4756 inches and supports negative rake cutting geometry.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCVD Duratomic multilayer coating: TiCN, Al2O3, and Cr for extended wear resistance\u003c\/li\u003e\n\u003cli\u003eMF4 chip breaker geometry optimized for finishing and semi-finishing of stainless steel and steel\u003c\/li\u003e\n\u003cli\u003e4 cutting edges per insert for maximum cost efficiency\u003c\/li\u003e\n\u003cli\u003eCompatible with clamp, pin, and lever lock insert holding methods\u003c\/li\u003e\n\u003cli\u003eChamfered and honed cutting edge for controlled edge prep and reduced chipping\u003c\/li\u003e\n\u003cli\u003eConforms to ANSI and ISO standards with ISO code CNMG120408-MF4\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a direct-fit replacement for toolholders accepting CNMG432 geometry inserts using clamp, pin, or lever lock holding methods. Industry standard number CNMG432-MF4 and ISO code CNMG120408-MF4 apply for cross-reference purposes.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by qualified machinists or CNC tool-setup personnel. Power down and lock out the machine spindle before indexing or replacing inserts. Seat the insert firmly in the toolholder pocket and verify the clamping mechanism is fully engaged before resuming operation. Do not run an insert that shows visible chipping, cratering, or deformation on the cutting edge.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: CNMG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustry Standard Number\u003c\/strong\u003e: CNMG432-MF4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Code\u003c\/strong\u003e: CNMG120408-MF4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: TM2501\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, Cr (CVD Duratomic)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: Diamond 80 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 0.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.0315 inches (1\/32 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 0.1874 inches (3\/16 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Length\u003c\/strong\u003e: 0.5079 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole Diameter\u003c\/strong\u003e: 0.2028 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 0.4756 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Cutting Edges\u003c\/strong\u003e: 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: MF4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Edge Style\u003c\/strong\u003e: Chamfered and Honed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake\u003c\/strong\u003e: Negative\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake Angle\u003c\/strong\u003e: 30 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 0 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Clamp, Pin, Lever Lock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Stainless Steel (Code M)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecondary Workpiece Material\u003c\/strong\u003e: Steel (Code P)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: M25, M30, M35\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Use Application\u003c\/strong\u003e: Boring, Facing, Turning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ANSI, ISO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Weight\u003c\/strong\u003e: 0.19 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Order Quantity\u003c\/strong\u003e: 10\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: SECO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 03273904\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SECO TOOLS","offers":[{"title":"Default Title","offer_id":51563226693938,"sku":"03273904","price":306.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/e0cfc51d89bcc554843b6eb4d95433b4_549aa207-6fea-420c-9843-603f0bc6481b.jpg?v=1786493497","url":"https:\/\/voomisupply.com\/products\/seco-03273904-cnmg432-mf4-tm2501-carbide-turning-insert","provider":"Voomi Supply","version":"1.0","type":"link"}