• Drill chucks for industrial use (medium duty), available with threaded mounts for professional portable drilling machines and with taper fittings for stationary drilling machines
  • Automatic fitting for efficient, fast change of tools
  • Self-tightening mechanism automatically increases the grip in proportion to the increase in torque during drilling
  • Fits tools of up to 20 mm in diameter
  • Machine fitting Via Din0238 of Jacobs tapers and UNF thread fittings
  • 0.039 in. minimum capacity
  • 0.512 in. maximum capacity
  • 6JT taper mount


Jacob's Industrial Keyless Chucks are high precision devices specifically designed for high accuracy applications on either conventional or CNC equipment. Tightened and released by hand, they permit more rapid tooling changes to increase machining productivity. A self-tightening feature produces significantly higher gripping force to resist tool shank slippage. Precision manufactured and tested to the most exacting quality standards, Jacobs Industrial Keyless chucks can be counted on for extremely high reliability and durability under the most demanding machining conditions.

Hassle free return  within 30 days after item has been received if:

-Item is not as described.

-Damage claims must be made within 3 business days from delivery date.

-Item must be returned in the same conditions and include all parts and accessories described. No Exception.

-Returns will NOT be accepted if the item shows additional damage or tampering of any kind.

- After received the return item, it will go thru complete inspection process and refund will be accordingly.

-Buyer is responsible for return shipping expenses. 

-Refund will be given as: Money Back.