A Bolt is an important fastener usually made of different metals such as regular grades and stainless steel and come with different plating of zinc, hot-dip galvanized, etc. These are not only available in different material grades but also with different heads. Yes, it’s true that the head of each and every bolt is not the same. However, its head is the important factor that helps to identify its type easily. Lack of knowledge about their head may confuse the buyer and to make the selection and identification easier, here we highlighted some of the common types of bolt heads that you should know to make a wise decision. So, let’s get started.