1. material: brass, 40Cr,45#;20CrMnTi 2. process: hobbing; 3. gear inspect center Tooth (Z)Modul(M)Diameter(Φ)Normal Press Angle(a)HandQuality (ISO)Purpose1-2000-60-600mm20°, 25° or according to the customer's requirment.Right, Left, Spur5-8machine, auto,tractor, machine for agricultureNote: 1.The material can be 16MnCr5, 40Cr, 45#, 42CrMo, 20CrMnTi etc.or according to the customer's requirements ...