1. material: brass,bronze, 40Cr,45#;20CrMnTi 2. process: shaping; 3. gear inspect center Tooth (Z)Modul(M)Diameter(Φ)HandQuality (ISO)Purpose1-2000-60-600mmSpur5-8machine, auto,tractor, machine for agriculture,hydraulic pump,engine, transmissionNote: 1.The material can be brass, brozen, 16MnCr5, 40Cr, 45#, 42CrMo, 20CrMnTi etc.or according to the customer's requirements 2.Heat treatment: ...