Fastener

A fastener (US English) or fastening (UK English)[1] is a hardware device that mechanically joins or affixes two or more objects together. In general, fasteners are used to create non-permanent joints; that is, joints that can be removed or dismantled without damaging the joining components.[2] Welding is an example of creating permanent joints. Steel fasteners are usually made of stainless steel, carbon steel, or alloy steel.

Products are used in industries including energy, electronics, electrical appliances, machinery, chemicals, metallurgy, molds, hydraulics, etc., various machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemicals, meters and supplies Wait.