Tool Holders

Slotting
This design is to make 6 slots inside the internal hole to prevent slipping and increase clamping power.

Needle Bearing
It adapts two line device in order to decrease rolling friction and slipping during sliding by taper side.

• The pre-balance can reach G6.3 8,000 rpm, without an inspection report.
• The balancing grade and revolution can be done according to customer's request but additional charge is needed.

Benefit

• Never excessively tighten and damage chuck.
• Sealed from dirt and debris to eliminate damage to chuck.