A bolt is a fastener designed to connect two or more parts. It consists of a head, neck and thread. The bolt head can have a different shape (hexagonal, round, square, etc.) and is used to attach the tool when tightening. The neck is the section of the bolt between the head and the thread, which can be cylindrical or conical. The bolt thread can be internal or external and is used to connect to other parts or nuts. Bolts are used in various fields, including construction, mechanical engineeri...
