Material: DSR7B,Sus420J2  Length: 1+mm,tolerance:±0.005mm  Diameter:0.4-0.6mm, tolerance:±0.001mm  Roundness: 0.3μm  Roughness: Ra0.04 Straightness: 0.0005mm 

Chamfer:R Hardness: 700-850HV Heat treatment:Point hardening,quenching hardening

All products can be customized according to customer requirements. 

vibiration motor shaft