Designed for high-accuracy applications on conventional or CNC equipment, this keyless chuck has a self-tightening feature that automatically increases gripping force proportional to increased torque, preventing tool shank slippage in clockwise rotation. Automatic fitting eases quick tool changes. The milled wrench flats and spanner allow for supplementary gripping torque. Light tightening increases the gripping torque up to three times over hand tightening. Right-hand rotation and instant spindle stop make this chuck resistant to tool loosening on high-speed machines.
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