Extension rod diameter and the other parts are precision ground to eliminate imbalances, increased stability during cutting, tighten the nut directly, high rigidity, Extremely powerful clamping force.
C12 Shank Holding all ER16 collets.
Model: C12-ER16-100
Hardness: HRC46-50
Accuracy: 0.01
Shank Diameter: 12mm
Length: 100mm

Package Includes:
1 x Chuck Holder