Workholding #n31&er40 Mt5 Mk5 M20 Spring Collet Chuck Cnc Milling Lathe Tool

C-Spanner For ER40 Clamping Nut. ER40 MT5 Collet Holder withM20 Draw-bar Thread.

This is Precision Collet Holder For Professionals And Hobbyists Demanding Ease Of Operation And High Quality Work Results.

---