Quick-Locking Mechanical Chucks & Shafts

In addition to our line of air expanding chucks and shafts, we also offer a unique, completely mechanical design which is available in both chucks and shafts.


3" diameter without flange


3" diameter with flange and shaft

Standard Through Bore Chuck with Split 
Clamp Securing Method and Flange

Standard Thru Bore Mechanical Chuck with Set 
Screw Securing Method and Flange


Features of the Quick-Locking Mechanical Type

  • Self-locking in either direction of rotation.
  • Automatic engagement.
  • Zero slippage.
  • Provided with minimum of 3 locking rollers for best concentricity.
  • Available with or without flanges.
  • Available in aluminum, steel or plastic.
  • Proven design.
  • Economically Priced.

Dimensions of Most Common Chuck Sizes

Body Dia.

Length (A)

Gripper Length (B)

Shoulder Width (C)

Flange Dia. (D)

Flange Thickness (E)

Minimum Core Dia. (F)

Bore (G)

70mm

4 3/4

2 5/8

3/4

3

1/4

2.723

1 5/8" max.

3

4 3/4

2 5/8

3/4

3 1/4

1/4

2.968

2" max.

6

5

3

3/4

6 1/2

1/4

5.968

4 1/2" max.


Note: Read guide flange holes are used to attach a larger diameter flange. Standard pattern is quantity (3), 120 degrees apart, on a 2.5" diameter bolt circle, #10-32 tap.


Diagrams (click for larger image)

Mechanical chuck assembly

Lateral adjusting mechanical chuck assembly

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GWJ Co.
Hacienda Heights CA 91745-4148

Phone: 626-336-1134  800-336-1138 (USA)
Fax: 626-336-2409

Copyright 2006 GWJ Co. All rights reserved.
Other products and companies referred to herein are trademarks
 or registered trademarks of their respective companies.