Solid core bolt: it is a part that fully utilizes deformation or interference to connect riveted parts. Solid core bolts are generally made of aluminum, copper, iron and other materials, and the metal surface treatment is white zinc plating. It is a kind of rigid connection which is carried out by bolts to couplers, which is not detachable. Small and medium-sized bolts can be cold riveted, and large and medium-sized bolts are hot riveted under hot red condition. Solid bolt can be widely used in CNC blade, stationery account book, hardware lock, hat car hardware case leather goods, baby carriage, clutch steel plate, motorcycle accessories and electrical products. The riveting machine is used for riveting the rear side of the lamp. Hollow bolt is composed of hollow bolt itself and bolt journal, hollow bolt itself is composed of shaft part and boss at one end of shaft part; the top part generated on one end of journal is inserted into the top part of shaft part of bolt itself on the opposite side of boss of bolt itself, so that shaft part of journal begins to break from small diameter fracture, and super strength drawing is carried out to make bolt shaft part The deformation caused by expanding diameter is carried out by installing prefabricated components such as a part of the deformation shaft and boss half blind rivet wholesale control panel. Hollow bolt is light in weight and weak in head, so it is used for riveting place of nonmetal material with small load.