Custom m2 stainless steel cross drive 360 blue patch micro screw

Industry knowledge：

Screws are indispensable industrial necessities in daily life, such as cameras, glasses, clocks, electronics, etc; General screws for TV, electrical products, musical instruments, furniture, etc; As for engineering, construction and bridge, large screws and nuts are used; Transportation equipment, aircraft, tramcar, automobile, etc. are used with large and small screws. Screws play an important role in industry. As long as there is industry on the earth, the function of screws will always be important.