{"product_id":"iscar-5507932-spmr422-ic8250-carbide-turning-insert","title":"Iscar 5507932 SPMR422 IC8250 Carbide Turning Insert","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ISCAR 5507932 is a solid carbide turning insert in the SPMR422 style, designed for precision external and internal turning operations on CNC and manual lathes. This insert carries ISCAR grade IC8250 with a multilayer PVD coating of TiCN, Al2O3, and TiN, delivering wear resistance and thermal stability across a broad range of cutting conditions. It features a 90-degree square shape with a positive rake geometry and an 11-degree relief angle. The inscribed circle measures 0.5 inches, insert thickness is 0.125 inches, and the corner radius is 0.0313 inches (1\/32 inches). It belongs to the Isoturn series and is held in place by a clamp-style toolholder. Machinists and CNC operators install this insert in production turning applications.\u003c\/p\u003e\u003cp\u003eThis insert is suited for turning steel and stainless steel workpiece materials, consistent with its primary workpiece material classification of P and secondary classification of M under ISO material coding. It fits into Isoturn-compatible clamp-style toolholders accepting SPMR-style inserts with a 0.5-inch inscribed circle. Maximum depth of cut is 0.2362 inches (6.00 mm). It is well suited to medium-duty finishing and semi-finishing passes in shop and production environments where consistent surface finish and edge life are required.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eIC8250 grade with multilayer PVD coating: TiCN, Al2O3, TiN for extended tool life\u003c\/li\u003e\n\u003cli\u003eSolid carbide construction for rigidity and thermal resistance\u003c\/li\u003e\n\u003cli\u003ePositive rake, 11-degree relief angle reduces cutting forces on the workpiece\u003c\/li\u003e\n\u003cli\u003eSquare insert shape (SPMR style) with 90-degree included angle for versatile turning geometries\u003c\/li\u003e\n\u003cli\u003eCorner radius of 0.0313 inches (1\/32 inches) for controlled surface finish\u003c\/li\u003e\n\u003cli\u003eClamp-style holding method for secure, repeatable seating in compatible toolholders\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement insert for Isoturn-series clamp toolholders accepting SPMR422-style solid carbide inserts with a 0.5-inch inscribed circle and a standard 1\/32-inch corner radius.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis insert is installed by a qualified machinist or CNC tooling technician. Power down and lock out the machine spindle before changing inserts. Seat the insert fully against the toolholder pocket and verify the clamp is torqued securely before resuming cuts. Inspect the cutting edge and corner radius before each use and replace the insert at the first sign of chipping, wear, or built-up edge to maintain dimensional accuracy and workpiece surface quality.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: SPMR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: Square (S)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: IC8250\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: PVD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 0.5000 inches (1\/2 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 0.1250 inches (1\/8 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.0313 inches (1\/32 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Angle\u003c\/strong\u003e: 90 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 11 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake\u003c\/strong\u003e: Positive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 0.2362 inches (6.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 0.5000 inches (12.70 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Clamp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTolerance Code\u003c\/strong\u003e: M\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearance Code\u003c\/strong\u003e: P\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: Isoturn\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: P (Steel)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecondary Workpiece Material\u003c\/strong\u003e: M (Stainless Steel)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ISO 13399\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.18 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: ISCAR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 5507932\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ISCAR","offers":[{"title":"Default Title","offer_id":51732332708146,"sku":"5507932","price":263.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/26c3137f238973e16f7c3eab261dbb1e.jpg?v=1788741717","url":"https:\/\/voomisupply.com\/products\/iscar-5507932-spmr422-ic8250-carbide-turning-insert","provider":"Voomi Supply","version":"1.0","type":"link"}