Material:  #45C

hardness:HRC60±2

precision:g6

rough:less than 1.5μm(Rmax)

harden part:0.8~0.3mm

Diameter:6~50mm

length:1000mm~6000mm

Cylindricity :less than 5μm by 500mm

circule:less than 3~5μm

remark:we can offer some special requirments such as threading,reducing shaft diameter,coaxial holes drilled and tapped