Thumb screw, also known as wave plate screw or racket screw, is used for hand screwing and fixing without screwdriver. The dimensions are M2 -- M24, and the length is 6mm-100mm. The materials include carbon steel, stainless steel, copper, etc. The surface has blue and white zinc, black zinc, color zinc, nickel, red copper, etc. It can be customized according to the requirements of guests' drawings, which is convenient to use and stable in performance.
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