... )Diameter(Φ)HandQuality (ISO)Purpose1-2000-60-600mmSpur5-8machine, auto,tractor, machine for agriculture,hydraulic pump,engine, transmissionNote: 1.The material can ... to the customer's requirements 2.Heat treatment: Nitriding, Carburization and hardening, Quench and temper, Medium and high frequency.the workshop;the package: