Maximize tool life with the collet chuck rated best on the market.

• Balanced to 25,000 rpm

• 0.0001" or better T.I.R. (total indicator runout) from taper to collet pocket

• Each holder is individually tested and lab certified for accuracy and balance

• Power Coat nuts hold up to 75% tighter

BT 30 ER

BT 40 ER

BT Tool Holder

Rated the best collet chuck on the market.

• Balanced to 25,000 RPM @ G2.5

• 0.0001" runout from taper to collet pocket.

• Taper ground to AT3 accuracy or better

• Inspection report included with each holder detailing accuracy and balance.

For holders with coolant nut included add -C to the end of the part number.

"Power Coat" Nut included.  Save money on collets by upgrading your existing toolholders to "Power Coat" nuts.

Note: BT30 and BT40 ER11, 16 and 20 toolholders come with hex nut as standard.  For slotted nuts simply add SLOTNUT to the end of the part number.

Related Items:
Torque Wrench  Collet Keys 

Retension Knob Heads                    

Fixed Head Square Drives

Note: BT50 ER 16 and ER 20 tool holders come with hex nut standard. For slotted nuts simply ad SLOTNUT to the end of the part number.