... 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 ... to the customer's requirements 2.Heat treatment: Nitriding, Carburization and hardening, Quench and temper, Medium and high frequency.the workshop:the package: ...