China Milling Chuck Sk Shank DIN 69871 Toolholder, Find details about China Chuck Toolholder Collet Chuck, Balanced from Milling Chuck Sk Shank DIN 69871 Toolholder
Inner Hole of the shankdivide into 6 troughts to prevent the insert remove,increase the grasp force.
Ball bearing cage is made of special material,improve the endurance,enhance the grasp force.
Grasp force strong,centering accuracy high,suit to heavy cutting
Carburizing depth:>0.8mm
The chuck has made -196°C super long cryogenic treatment and thermal aging processing.
Type for BT/SK/CAT/HSK/NT/VDI/MT shank,
Taper tolerance:≤AT3
100% balanced to G6.3/12000rpm.