{"product_id":"sandvik-coromant-6906945-milling-insert-r390-carbide","title":"Sandvik Coromant 6906945 Milling Insert R390 Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SANDVIK COROMANT 6906945 is a solid carbide milling insert designed for shoulder and face milling operations in demanding production environments. Manufactured to ANSI and ISO standards under the designation R390-11 T3 12E-PM 1130, this insert features an AlTiCrN coating applied via PVD process, which delivers strong thermal and wear resistance across a broad range of workpiece materials. The insert geometry is parallelogram-shaped with a positive rake angle of 25 degrees and a right-hand cutting orientation. Two usable cutting edges and a corner radius of 1.20 mm make it well suited for moderate-to-aggressive material removal in precision milling setups. Maximum depth of cut reaches 10.00 mm.\u003c\/p\u003e\n\u003cp\u003eThis insert is intended for use in professional CNC milling applications across ferrous and non-ferrous materials including steel, stainless steel, non-ferrous metals, superalloys, titanium, and hard materials. The PM chip breaker geometry supports controlled chip evacuation during face milling and shoulder milling passes. Compatible with the R390 cutter series and M-32 tooling systems, this insert is a standard fit for production shops, tool rooms, and contract machining operations where consistent insert performance across material grades P, M, N, S, and H is required. Installation is performed by qualified machining professionals using standard screw-clamp toolholders.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSolid carbide substrate with AlTiCrN PVD coating for extended tool life across varied workpiece materials\u003c\/li\u003e\n  \u003cli\u003ePositive rake angle of 25 degrees reduces cutting forces and improves chip flow\u003c\/li\u003e\n  \u003cli\u003ePM chip breaker geometry supports controlled chip evacuation in shoulder and face milling\u003c\/li\u003e\n  \u003cli\u003eCorner radius of 1.20 mm (3\/64 inch) provides edge strength while reducing surface stress\u003c\/li\u003e\n  \u003cli\u003eTwo cutting edges per insert extend usable insert life before replacement\u003c\/li\u003e\n  \u003cli\u003eRight-hand cut orientation with 21-degree relief angle for clearance in tight-tolerance milling paths\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eCompatible with R390 and M-32 cutter series toolholders. ANSI and ISO designation R390-11 T3 12E-PM 1130 with insert size code 11T312. Suitable for machining steel, stainless steel, non-ferrous metals, superalloys, titanium, and hard materials (material grades P, M, N, S, H).\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by qualified CNC machinists or tooling technicians using the appropriate screw-clamp torque driver specified by the toolholder manufacturer. Always power down and lock out the machine spindle before changing or indexing inserts. Inspect the insert pocket and seating surface for chips or debris before seating a new insert to ensure proper support and prevent premature edge failure. Follow the toolholder manufacturer's clamping sequence and confirm insert seating is fully flush before resuming cutting operations.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: R390\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eANSI \/ ISO Code\u003c\/strong\u003e: R390-11 T3 12E-PM 1130\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: AlTiCrN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating Process\u003c\/strong\u003e: PVD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: 1130\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: Parallelogram\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 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: 25 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 21 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutting Edge Style\u003c\/strong\u003e: Corner Rounded\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: PM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 1.20 mm (0.0472 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 11.00 mm (0.2677 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 3.97 mm (0.1413 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 0.2677 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHole Diameter\u003c\/strong\u003e: 0.11 mm (0.1102 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 10.00 mm (0.3937 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Size Code\u003c\/strong\u003e: 11T312\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutter Series Compatibility\u003c\/strong\u003e: M-32, R390\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Screw\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\u003eMaterial Grade\u003c\/strong\u003e: P30, M15, N15\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Steel, Stainless Steel, Non-Ferrous Metal, Superalloys, Titanium, Hard Material\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ANSI, ISO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.073 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1 per package (minimum order quantity: 10)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\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: 6906945\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SANDVIK COROMANT","offers":[{"title":"Default Title","offer_id":51744789004594,"sku":"6906945","price":499.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/834aa23dc56a54fde8a41e73c1e59e1e_83de58e2-d0f2-447f-87c0-eb11e9f04783.jpg?v=1788860551","url":"https:\/\/voomisupply.com\/products\/sandvik-coromant-6906945-milling-insert-r390-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}