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What is the name of the screw at the joint of the cylindrical curved mouth of the hot and cold faucet in the basin?
Faucet elbow fixing screw.

& gt Screw is a tool to tighten instruments and parts step by step by using the physical and mathematical principles of circular rotation and friction of the inclined plane of an object.

Screws are indispensable industrial necessities in daily life, such as tiny screws used in cameras, glasses, clocks and watches, electronic products, etc. Universal screws for TV sets, electrical products, musical instruments, furniture, etc. As for projects, buildings and bridges, large screws and nuts are used; Transportation equipment, airplanes, trams, cars, etc. There are both large and small screws. Screw plays an important role in industry. As long as there is industry on the earth, the role of screws will always be important.