Used in Cylindrical motor.

Specification :  Material: DSR7B,Sus420J2    Length: 1+mm,tolerance:±0.005mm    Diameter:0.7mm, 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. 

micro motor shaft