Features


Stace-Allen precision chucks are uniquely engineered for your application. Our team draws on more than 75 years of experience in a wide range of industries to deliver advanced workholding solutions for the most complex needs. 

  • Repeatability to .0002 TIR
  • Replaceable jaws to .0005 TIR
  • 2-to-1 clamping ratio
  • Built-in-cylinder or drawbar-operated
  • Deep recess to minimize jaw length
  • Rotary or stationary
  • 2-, 3-, or 4-jaw
  • Standard sizes: 3”, 4.75”, 5”, 6.5”, 8”, 10.875”

Precision chuck models

We custom design precision chucks to your specifications, increasing your productivity and reducing waste and downtime. Our unique jaw-mounting design increases accuracy, and our advanced configurations allow more precise adjustments and a greater range of workholding diameters.

PRECISION CHUCK OVERVIEW

10 Series


Coolant-thru or hole-thru features for internal and external, or external-only chucking. 

PRECISION 10 SERIES

20 Series


Sealed or unsealed chucks for stationary or rotary internal and external chucking. 

PRECISION 20 SERIES

25M, 55D & 93D series


Drawbar-action chucks for internal and external chucking, and hole-thru diameters of 1.00” or 1.65”.

PRECISION 25M, 55D, 93D SERIES

30 & 40 Series


External-only or internal/external chucks with a maximum OD jaw travel of .035”.

PRECISION 30 AND 40 SERIES

80 Series


Sealed or open chucks with coolant-thru or hole-thru features for internal or external chucking.

PRECISION 80 SERIES

90 Series


Deep recess internal and external chucks, double-acting hole-thru chucks, and coolant-thru chucks.

PRECISION 90 SERIES
SEE OUR WORKHOLDING SOLUTIONS IN ACTION