VersaChuck (The most versatile chuck available). One chuck to grip in a variety of configurations.


    Hydraulic Scroll Chuck

    55" Dia, 3.5 Ton, Hydraulic Scroll Chuck. Need an extra large, custom designed chuck? We’ve done it.

  • Industrial Pump Industry


    Industrial Pump Industry

    A large pump manufacturer approached us to improve the throughput of an existing machining operation via a flexible fixturing solution.

  • Custom Dual 5th Axis


    Custom Dual 5th Axis

    A tier I automotive supplier approached us with a simple problem. They wanted a dual platter 5th axis device to bolt onto an existing 4th axis of an HMC machine.

  • Large Part on CMM (TN)


    Large Part Machining

    Co-op Tool has the capabilities to machine, grind and inspect your precise large parts. We can 5-axis machine up to 33″ diameter and gun-drill over 40″ deep. Surface grinding as large as 32″ x 80″ and diameter grinding up to 30″ diameter. When it’s time to inspect, we have a CMM capable of measuring anything that we can manufacture.

  • Custom Dual 5th Axis


    Improved Ergonomics

    An existing machining operation at an automotive assembly plant was working fine but needed to be improved for ergonomic reasons.

  • Hydraulic Vise (TN)


    Hydraulic Centering Vise

    Co-op Tool Centralizing Vise with clamping forces up to 50 kN. Add your own jaws or we can design them for you.

Take a look at our Brochures for more product information!

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About US

For over 50 years, Co-Op Tool Production Workholding, a Division of Hammill Manufacturing Company, has engineered the most difficult parts – Knuckles and Steering Arms for Automotive applications, Scroll and Rotary Compressor components for the Appliance industry, unique CNC Fixtures to produce Hand Tools and Plumbing Tools for Home Construction and Consumer Products, and Large Welding Fixtures for the Heavy Industrial markets.

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