A bi-metal screw is a type of screw designed for specific applications where temperature changes or electrical currents are factors. It consists of two different metals bonded together: typically steel and copper or steel and aluminum. The head of the screw is made of one metal, while the threaded ......
Read MoreA hex bolt and an Allen bolt are similar in function but differ in their design and the tools used to tighten or loosen them. So, while both bolts have a hexagonal shape, the main difference lies in the method of tightening or loosening them and their respective head designs.
Read MoreNarrow assembly situations. Although there are so many differences between external hexagonal bolts/screws and internal hexagonal bolts/screws, in order to meet more needs, we do not just use a single type of bolts/screws, but need a variety of fasteners and screws. Use together.
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