At present, more more truck enterprises in China begin to use the bolts of the standard expansion bolt to connect the body beam fix various external assembly. Compared with the traditional rivet technology, the screw technology has stronger anti-seismic anti loosing performance, is more convenient to replace, can also be used repeatedly.

Stronger shock looseness resistance At present, domestic automobile enterprises have begun to use the bolts with the schbilao technology. Due to the special technology tools used in the design manufacture of the bolts, compared with the ordinary screws traditional rivets, the anti-seismic anti loosing performance of the bolts is better. At the same time, the nuts of this technology do need any auxiliary locking elements, such as stop gasket spring washer effect. It is convenient to replace the damaged truck, the rivets may fall off be damaged. However, the replacement of rivets needs the help of professional tools, so there are some limitations.

However, if bolts are used to fix the body, some bolts are provided with the car. Once it is found that there is falling off damage, the replacement can be completed with the help of simple tools, which is more convenient to use.