This cylindrical metal which fasten objects together is a piece of steel at one end forged to make round, hexagonal, or square head and the stem is partially or fully threaded at the other end. They are generally plated with zinc or cadmium to resist corrosion and comprises of a head which is ensuring a practice, i.e., a hexagon in shape and its head could be designed in such a way that it could have heads like square or counter neck. Commonly used with a nut, a bolt is found to form a ... Read more