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PCC-4000 Core Chuck

Recommended primarily for use in high speed shaftless unwinding or rewinding, Pneumatic/ Mechanical PCC-4000 is a core chuck made superior for higher weight, higher speed, and higher torque requirements. Pneumatic/Mechanical PCC-4000 provides the highest torque and weight-bearing capacity of any core chuck style.


Convertech Pneumatic-mechanical PCC-4000 expands mechanically through the use of a piston pushing on a mechanical ramp to assure concentricity and high torque capacity. Our core chuck always obtains positive, instant lock up and release.

Standard sizes available for Convertech’s Pneumatic-mechanical PCC-4000 ranges from 3″ to 12″ diameters. The body of the core chuck and the lugs are available in steel only. This core chuck is available in flange or cantilevered type mountings. When running different core diameters, Convertech offers interchangeable adapters which can be fitted on one base shaft.


The Pneumatic-mechanical PCC-4000 is custom designed to fit the specifications of your core chuck. When placing an order for a Pneumatic-mechanical PCC-4000, we ask that you specify if you need a quote for a flange or cantilevered mounting type so that we can make sure your core chuck fits your needs and specifications.

As with all of our shafts and chucks, we guarantee that your Pneumatic-mechanical PCC-4000 will be designed and manufactured to the same tolerances as all of our industry’s leading shaft adapters.


Here at Convertech, we are always working hard to make sure that we deliver quality. Please contact us for a more specific lead time, to request a quote or if you have any other questions.

Product Information


  • 3″ to 12″ chuck diameters
  • Adapters available
  • Available in steel only
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