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Screw are similar types of fastener typically made of metal and characterized by a helical ridge, called a male thread (external thread).

Screws are often self-threading (also known as self-tapping) where the thread cuts into the material when the screw is turned, creating an internal thread that helps pull fastened materials together and prevents pull-out. There are many screws for a variety of materials; materials commonly fastened by screws include wood, sheet metal, and plastic.

We can supply screw with competitive price and suitable quality to projects.