Product Name: Spur Gears with Rectangle Spline Model NO.: OE-043 Type: Circular Gear Material: 20crmnti Toothed Portion Shape: Spur Gear Manufacturing Method: Cut Gear Gear Position: External Gear Hardness: Hardened Tooth Surface Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car Heat Treatment: Cemented/Carburizing Surface Hardness: 58-62 HRC Gear Accuracy Grade: 6-7 Grade (Agma 11-12 Grade) Trademark: OEM Transport Package: Export Wooden Packing Specification: Alloy Steel Origin: China HS Code: 8483409000 Product Description Spur Gears with Rectangle SplineMaterial20Cr2Ni4Teeth TypeSpur GearHeat TreatmentCarburizingSurface Hardness58-62HRCGear Teeth Milling√Gear Teeth Grinding√Teeth MillingTeeth GrindingCustom made parts, we are making parts accordig to custom drawings or samples.The engineering software we are using: AutoCAD, SolidworksEngineers severices also available