Ashok Fasteners is a leading rivet manufacturer in India. Choose from a wide range of rivet manufacturers for your industry. Shop now! Rivets are mechanical fasteners used to permanently join two or more materials together. They consist of a cylindrical shaft with a head on one end. The rivet is inserted into pre-drilled holes in the materials to be joined, and then the tail end of the rivet is deformed (usually by hammering or using a riveting tool) to form a second head, securing the materials in place.