{"product_id":"sandvik-coromant-5746841-milling-insert-2040-r390-carbide","title":"Sandvik Coromant 5746841 Milling Insert 2040 R390 Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SANDVIK COROMANT 5746841 is a solid carbide milling insert in the R390 series, designed for high-performance shoulder milling operations. It carries a manufacturer grade of 2040 and features a CVD-applied multilayer coating of TiCrN, Al2O3, and TiN for extended wear resistance and thermal stability. The insert has a parallelogram shape with a 90-degree included angle, a positive 22-degree rake angle, and a corner-rounded cutting edge style with a 0.80 mm corner radius. Two cutting edges are available per insert. It is held in place by screw clamping and is suited for right-hand cutting applications.\u003c\/p\u003e\u003cp\u003eThis insert is intended for use in R390-series milling cutters and is applied in face milling, shoulder milling, and ramping operations across a range of workpiece materials. Primary workpiece material categories are steel (P), stainless steel (M), and superalloys and titanium (S), corresponding to ISO material grades P45, M40, and S30. Maximum depth of cut reaches 15.70 mm (0.618 inches). The MM chip breaker geometry helps manage chip evacuation in these demanding material groups. Installation is performed by qualified machinists or tooling technicians as part of a planned insert change on compatible R390 cutter bodies.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCVD multilayer coating: TiCrN, Al2O3, TiN for heat and wear resistance\u003c\/li\u003e\n\u003cli\u003ePositive 22-degree rake angle with corner-rounded cutting edge for reduced cutting forces\u003c\/li\u003e\n\u003cli\u003e2 cutting edges per insert, single-sided configuration\u003c\/li\u003e\n\u003cli\u003eMM chip breaker geometry optimized for steel, stainless steel, and superalloys\u003c\/li\u003e\n\u003cli\u003eScrew-held mounting method for secure, repeatable seating in R390 cutter bodies\u003c\/li\u003e\n\u003cli\u003eRight-hand cutting orientation; insert size code 170408, ANSI\/ISO code R390-17 04 08M-MM 2040\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with R390-series milling cutter bodies. ANSI and ISO designation R390-17 04 08M-MM 2040 confirms fitment within the R390 cutter platform. Verify cutter pocket specifications against insert size code 170408 before installation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInsert changes should be performed by a qualified machinist or CNC tooling technician with the spindle fully stopped and the machine locked out per applicable safety procedures. Use the manufacturer-specified torx or hex key to seat the clamping screw; do not use impact tools on insert screws. Inspect the cutter pocket seating surface for chips or damage before loading a fresh insert. Confirm correct hand orientation before securing the insert to avoid damage to the pocket or the insert itself.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: 2040\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\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\u003eInsert Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: TiCrN, Al2O3, TiN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating Process\u003c\/strong\u003e: CVD\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: 22 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\u003eIncluded Angle\u003c\/strong\u003e: 90 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: MM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Screw\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.80 mm (0.0315 inches, 1\/32 inch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 9.60 mm (0.3780 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 4.76 mm (0.1875 inches, 3\/16 inch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 15.70 mm (0.6181 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 9.60 mm (0.3780 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 15.70 mm (0.618 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole Diameter\u003c\/strong\u003e: 0.16 mm (0.1614 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Size Code\u003c\/strong\u003e: 170408\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eANSI\/ISO Code\u003c\/strong\u003e: R390-17 04 08M-MM 2040\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: P45, M40, S30\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Materials\u003c\/strong\u003e: Steel, Stainless Steel, Superalloys and Titanium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle or Double Sided\u003c\/strong\u003e: Single\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: 0.19 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: 5746841\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SANDVIK COROMANT","offers":[{"title":"Default Title","offer_id":51732006043954,"sku":"5746841","price":420.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/2ab91d54c657f8d2460e90f55358be6e_ee446258-47cb-46db-af11-7adf3a360d03.jpg?v=1788737970","url":"https:\/\/voomisupply.com\/products\/sandvik-coromant-5746841-milling-insert-2040-r390-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}