Nut and Screw

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Screws and Bolts A screw is a type of fastener that is typically threaded, designed to be inserted into pre-drilled holes for securing items together. They come in various shapes, sizes, and materials, including wood, metal, plastic, and more. On the other hand, a nut is a complementary component to a bolt, which is also threaded but has a hole through its center for insertion over the end of the screw. Nuts are used to provide additional holding power by compressing against the bolt head or wing nut when tightened.