This chuck lock features a self-expanding and self-locking structure. The device is specifically made from a steel, to increase its rigidity. It is also enhanced with an anti-oxidation treatment.
A solid expansion is guaranteed even with the presence of low torques. The product is ideal for both winders and non-winders. Different models are available for any core sizes.
Mechanical chucks with a pin flange forged from one piece of steel and a minimum number of components.