Rivets are parts of riveted parts which are connected by their own deformation or interference in riveting. There are many kinds of rivets, and they are not limited to form. Commonly used are half round head, flat head, countersunk head rivets, pop rivets, blind rivets, which are usually connected by their own deformation. (generally, cold rivets shall be used for those smaller than 8mm, and hot rivets shall be used for those larger than 8mm.) But there are exceptions, such as the nameplate on the three ring lock, which is riveted by the interference between the rivet and the lock hole. In addition, there are rivets, which are quite special. It is divided into two parts, the center of the coarser section of the cap body has a hole, and the coarser section of the cap body is an interference fit. When riveting, the thin rod can be driven into the thick rod.
Semicircular head rivets are mainly used in riveting occasions with large transverse load and are widely used. Flat head rivets are widely used in ship hull, boiler and water tank because of their large head and corrosion resistance. Countersunk head and 1200 countersunk head rivets are mainly used for riveting occasions with smooth surface and small load. Half countersunk head and 1200 half countersunk head rivets are mainly used for riveting occasions with smooth surface and small load. Flat head and round head rivets are mainly used for riveting metal sheet or leather, canvas, wood and other non-metallic materials. Large flat head rivets are mainly used for riveting of non-metallic materials. Semi hollow rivets are mainly used in riveting occasions with small load. Headless rivets are mainly used for riveting of non-metallic materials. Hollow rivets are light in weight and weak in head. They are used for riveting non-metallic materials with small load. Tubular rivets are used for riveting non-metallic materials without load. Label rivets are mainly used for riveting nameplates on machines, equipment, etc. Pop rivets are one kind of rivets used for single side riveting, but they must be riveted with special tools - pull riveter (manual, electric, and dynamic). This kind of rivets is especially suitable for riveting occasions where it is inconvenient to use ordinary rivets (it must be riveted from both sides), so it is widely used in construction, automobile, ship, aircraft, machinery, electrical appliances, furniture and other products. Open end blind rivets are widely used. Countersunk blind rivets are suitable for riveting situations where smooth performance is required. Closed end blind rivets are suitable for riveting situations where high load and certain sealing performance are required. Blind rivets are another kind of rivets with single side riveting. When riveting, hammer the head of the rivet to expose the core and make it flush with the end face of the rivet head, that is to say, to complete the riveting operation, which is very convenient. It is especially suitable for riveting occasions where it is inconvenient to use ordinary rivets (which must be riveted from both sides) or pop rivets (lack of riveting guns). Generally, flat round head rivet is used for riveting, while countersunk head rivet is suitable for riveting with smooth surface.