Atoplee R8 8mm Metric Round Clamp Diameter Milling Chuck Spring Collet Socket
Features:
Made of highest grade steel available
Precision ground to close tolerance
Hardened and ground throughout
Suitable for all kinds of milling machine spindle taper hole for the R8
It used for clamping tools,change the taper hole of spindle,It is easy to use,to enlarge the use range of machine tool