Seventh International supplies Permanent Magnetic Chucks. Seventh International offers wide ranges of chucks & coolant separator, demagnetizer, electromagnetic chucks & accessories, electromagnet, filter & hall probe, gauss meter & hopper, mag. Dial stand etc. Permanent Magnetic Chucks is used to eliminate the problems of conventional chucks. Permanent Magnetic Chucks gives rigid magnetic force, which corresponds to high accuracy and maximum depth of cut. Five faces machining of Permanent Magnetic Chucks is possible, which reduces clamping time.