It is a kind of crank-type oversized-stroke 2-claw chunk, with large clamping force, applicable to processing of square object and foreign matter, and heavy cutting.
Oversized-stroke 2-claw chunk
This is a state-patent product, with independent intellectual property.
This chuck complies with the national standard in connection form (in terms of short-column connection); Users are unnecessary to alter the structure of machine tool and what you have to do is to provide the flangers in compliance with the machine tool and the chuck (it takes approximately one hour to install).