R8-FMB22 HOLDER

R8-FMB22 TOOL HOLDER

Material: 40Cr

Hardness: HRC48-52 

Name：R-FMB22

True roundness：<0.8u

overall clamping run out :0.01-0.05

Accuracy :0.005mm

Carburizing depth:> 0.8mm

Material:Cr-Mo

Surface roughness:>0.8mm

Hardness:>HRC50°-55°

Standard speed:below 10000 rpm