{"product_id":"accupro-75550293-carbide-turning-insert-ccmt21-51","title":"Accupro 75550293 Carbide Turning Insert CCMT21.51","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ACCUPRO 75550293 is a CCMT-style carbide turning insert designed for precision metal-removal operations on CNC and manual lathes. Coated with a PVD finish and manufactured to grade ACM25P, this insert delivers high wear resistance across a range of workpiece materials. The diamond (rhombic) 80-degree insert shape and 0.40 mm corner radius make it well suited for finishing and semi-finishing passes where tight tolerances and surface quality are critical. The neutral hand orientation and positive side clearance support clean chip evacuation. The insert uses a screw holding method and is compatible with standard CCMT toolholders.\u003c\/p\u003e\u003cp\u003eThis insert is intended for use in turning applications involving steel, stainless steel, and special or super alloys. The grade ACM25P targets steel (P-class) applications requiring high wear resistance to high toughness, stainless steel (M-class) applications requiring high to moderate wear resistance, and S-class special and super alloy applications requiring moderate wear resistance and toughness. Typical install scenarios include production turning on CNC lathes in industrial machine shops, toolrooms, and manufacturing environments. Installation is performed by qualified machinists and CNC programmers.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCCMT insert style with 80-degree diamond (rhombic) shape for versatile turning geometry\u003c\/li\u003e\n\u003cli\u003ePVD-coated ACM25P carbide grade rated for steel, stainless steel, and super alloys\u003c\/li\u003e\n\u003cli\u003e0.40 mm (0.0157 inch) corner radius for finishing and semi-finishing applications\u003c\/li\u003e\n\u003cli\u003eWSF+ chip breaker design for effective chip control\u003c\/li\u003e\n\u003cli\u003e2 cutting edges per insert for extended tool life\u003c\/li\u003e\n\u003cli\u003ePositive side clearance with screw holding method for secure, repeatable seating\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a direct-fit replacement for CCMT21.51 (ANSI) and CCMT060204 (ISO) insert seats. Compatible with standard CCMT-style screw-clamp toolholders accepting a 0.25-inch inscribed circle insert with a 0.1102-inch hole diameter.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by machinists using the appropriate Torx or hex key driver specified by the toolholder manufacturer to seat and secure the screw clamp. Power down and lock out the machine spindle before indexing or replacing inserts. Inspect the insert pocket and seating surface for chips or debris before seating the new insert. Handle carbide inserts carefully to avoid edge chipping prior to use.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eANSI Insert Code\u003c\/strong\u003e: CCMT21.51\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Insert Code\u003c\/strong\u003e: CCMT060204\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: CCMT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: C - Diamond (Rhombic) 80-Degree\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: ACM25P\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: PVD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: WSF+\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.40 mm (0.0157 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 0.2500 inches (6.35 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 0.0937 inches (2.38 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole Diameter\u003c\/strong\u003e: 0.1102 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 1.80 mm (0.0709 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 7 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Angle\u003c\/strong\u003e: 80 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\u003eNumber of Cutting Edges\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Screw\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Steel (P), Stainless Steel (M), Special and Super Alloys (S)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: CI\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: ACCUPRO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 75550293\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACCUPRO","offers":[{"title":"Default Title","offer_id":51744833634610,"sku":"75550293","price":151.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/a9d79e465700ef4227f157ccdd07d2ed_524c80c0-de22-4853-9607-ee98a04c0a0e.jpg?v=1788861203","url":"https:\/\/voomisupply.com\/products\/accupro-75550293-carbide-turning-insert-ccmt21-51","provider":"Voomi Supply","version":"1.0","type":"link"}