Features
· The lock-mechanism enables working in reverse rotations.
· M16 tapping available.
· Reverse rotation and locking can be done by one touch of operation.
· No loosening at emergency stop in high RPM.
· Workable with same torque in forward and revers rotations.
· Safe and reliable retightening with a hook spanner.
Simple operation
Integrated type (chuck & shank) to prevent the chuck falling down during spindle rotation. 
Compact size
Same to the conventional keyless drill chucks in dimension. Short mounting.
TIR less than 50
With two bar measuring (of max. and 1/2 grip- ping diameter), TIR satisfys the specifications in JIS B6001 standards.
No loosening at emergency stop
Such a loosening is prevented by the lock mechanism with the lock-ring.
Improved function and safety
Integrated type (chuck & shank) to prevent the chuck falling down during spindle rotation.
In case of using on the machine without spindle lock mechanism.
Prepare two hook spanners and hook the one on the groove of the grip-ring. Then, hook another one on the groove of the sleeve and tight the chuck like this figure.
One piece of hook spanner is attached.
