{"product_id":"sandvik-coromant-5745931-r390-milling-insert-1020-carbide","title":"Sandvik Coromant 5745931 R390 Milling Insert 1020 Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SANDVIK COROMANT 5745931 is a solid carbide milling insert designed for use in R390 series face and shoulder milling cutters. Manufactured to ANSI and ISO code R390-18 06 12M-KM 1020, this single-sided, right-hand insert features a parallelogram shape with a positive 5-degree rake angle and a KM chip breaker geometry. The 1020 grade substrate is finished with a PVD-applied TiAlN coating, targeting wear resistance and thermal stability in cast iron applications. The insert measures 11.00 mm in inscribed circle diameter, 6.33 mm thick, with a 1.20 mm corner radius. Installation is via screw-clamp holding method.\u003c\/p\u003e\u003cp\u003eThis insert is intended for milling cast iron workpieces in industrial and production machining environments. It carries a K05 material grade designation and a primary workpiece material code of K, placing it squarely in the cast iron cutting category. The KM chip breaker promotes controlled chip evacuation at moderate to high feed rates. The maximum depth of cut is 16.00 mm, making it suitable for both light finishing and semi-roughing passes in cast iron components. Machinists and toolroom technicians working with M-40 and R390 series tool bodies will find this insert a direct fit for standard insert pockets in those cutter families.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSolid carbide substrate with PVD TiAlN coating for wear resistance in cast iron cutting\u003c\/li\u003e\n\u003cli\u003e1020 manufacturer grade with K05 material grade designation\u003c\/li\u003e\n\u003cli\u003eKM chip breaker geometry for controlled chip formation\u003c\/li\u003e\n\u003cli\u003ePositive 5-degree rake angle reduces cutting forces\u003c\/li\u003e\n\u003cli\u003eCorner radius of 1.20 mm (3\/64 inch) with rounded cutting edge style\u003c\/li\u003e\n\u003cli\u003eMaximum depth of cut of 16.00 mm per pass\u003c\/li\u003e\n\u003cli\u003eScrew-clamp insert holding method for secure seating\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eCompatible with M-40 and R390 series milling cutter bodies per the supplier data. ANSI and ISO designation R390-18 06 12M-KM 1020 applies. Insert size code is 180612.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified machinist or toolroom technician with the machine in a fully locked-out, de-energized state per applicable lockout\/tagout procedures. Use the correct torx or hex key specified by the cutter body manufacturer to seat the clamping screw  -  do not overtighten, as this can crack the carbide insert. Inspect the insert pocket seating surface for chips or debris before installation. Replace inserts at the first sign of chipping, built-up edge, or surface finish degradation to avoid workpiece damage or cutter body wear.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: R390\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: Parallelogram\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: 1020\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: K05\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: TiAlN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating Process\u003c\/strong\u003e: PVD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake\u003c\/strong\u003e: Positive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake Angle\u003c\/strong\u003e: 5 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: KM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Edge Style\u003c\/strong\u003e: Corner Rounded\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Cutting Edges\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle or Double Sided\u003c\/strong\u003e: Single\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Angle\u003c\/strong\u003e: 90 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Size\u003c\/strong\u003e: 18\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Size Code\u003c\/strong\u003e: 180612\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 11.00 mm (0.4331 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 6.33 mm (0.2492 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 15.40 mm (0.6063 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 11.00 mm (0.4331 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 1.20 mm (3\/64 inch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 16.00 mm (0.6299 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole Diameter\u003c\/strong\u003e: 0.16 mm (0.1634 inches)\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: Cast Iron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutter Series Compatibility\u003c\/strong\u003e: M-40, R390\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eANSI Code\u003c\/strong\u003e: R390-18 06 12M-KM 1020\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Code\u003c\/strong\u003e: R390-18 06 12M-KM 1020\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ANSI, ISO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23291601\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.3 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: 5745931\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SANDVIK COROMANT","offers":[{"title":"Default Title","offer_id":51743880347954,"sku":"5745931","price":472.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/9c506cacce4e324c4f645a3baa0cdf41_ff029439-fb7c-4ab3-9aee-1c57803b9b1d.jpg?v=1788850705","url":"https:\/\/voomisupply.com\/products\/sandvik-coromant-5745931-r390-milling-insert-1020-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}