Universal Ball-Lok Chucks
N.A. Woodworth’s Universal Ball-Lok chucks are industry-standard power chucks designed for both centralizing and compensating operations. Key features include internal and external chucking, positive pullback, sealed design, and availability in 2 and 3 jaw models with sizes ranging from 6” to 30”.

Retractable Work Driver Chucks
The Retractable Work Driver chucks are designed for shaft turning, offering uninterrupted turning over the workpiece length. They feature concentricity of .001 T.I.R., speeds up to 4000 RPM, and a sealed design with jaw retraction during rotation.

6-Jaw ECC Ball-Lok Chucks
This six-jaw design includes a counter-centrifugal mechanism for high-speed rotation with minimal jaw force loss. Features include 12 points of equalized force distribution, high RPM capability, and differential chucking capabilities.

I.D. / O.D. Rim-Lok Collet Chucks
Sheffer performance I.D. and O.D. Collet Chucks are versatile for various applications, offering quick change, high accuracy, and high-speed capabilities with self-contained actuation.

Tork-Lok Collets
The Tork-Lok collet line provides flexibility and affordability, with features like inclined flats for full contact and high torque transmission. They are suitable for turning and milling operations with several assembly designs available.

Sliding Jaw
ITW Workholding offers sliding jaw power chucks with features like centrifugal force compensation and quick change jaw systems. Variations include the Forkardt QLC, FNC, and SP Counter Centrifugal models.

Diaphragm / Pitch Line Chucks
These chucks offer high precision and low maintenance, with designs like dovetail, master jaw, and integral. They provide up to .0001 T.I.R. repeatability and are available in 3-6 jaw designs.

Gear Diaphragms
Designed for flexibility and accuracy, the Pitch Line and Universal Gear diaphragms offer quick change jaws and centrifugal force compensation for higher speeds.

Tru-Change Couplings and Rings
These provide quick changeover with high repeatability and are adaptable to any fixture or workholding device, featuring a patented curved tooth design.

Cylinders
ITW Workholding offers pneumatic and hydraulic cylinders with features like prox switch or linear system stroke control, and capabilities up to 8,000 RPM and 80 bar max operating force.

Stationary Workholding Solutions
Custom prismatic workholding solutions are available for mid to large volume production, offering accuracy and simplicity with modular construction and various actuation methods.

Rework/Repair Services
Comprehensive services include on-site chuck balancing, preventive maintenance training, and rebuilding of chucks to like-new condition with a warranty.