Product Name: Gleason Type Spiral Bevel Gears Model NO.: Spiral Bevel Gears Type: Circular Gear Material: 20crni2moa Toothed Portion Shape: Spur Gear Manufacturing Method: Cut Gear Gear Position: External Gear Hardness: Hardened Tooth Surface Application: Motor, Electric Cars, Machinery, Toy, 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 GLEASON Type Spiral Bevel GearsMaterial20CrNi2MoA/ SAE4320Teeth TypeGLEASonHeat 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