Product Name: BT30 BT40 FMB22 FMB27 FMB32 FMB40
Overall clamping Precision: 0.01-0.05mm
Product Precision: 0.005 mm
Material: High Quality 42CrMnTi Steel
Hardness: > HRC56 °
True roundness: 0.8 u
Carburizing depth: 0.8 u
Surface roughness: 0.8 u
Standard speed: 10000 RPM
Applicable machine: CNC/computer gong/high speed machine.
==========
Hign-concerned Chemical : None
Origin : Mainland China