The common ones are R-shaped bolt, cooling fan bolt, rivet (core punching bolt), tree bolt, semicircular head, small flat head, half space center bolt, solid core bolt, countersunk bolt, pull rivet, hollow bolt. This kind of connection is usually made full use of deformation to connect riveted parts. Generally, cold riveting is used for those below 8mm, and hot riveting is used for those exceeding this specification. All aluminum rivets are excepted. For example, the factory nameplates on some hardware locks are riveted by the interference between the bolt and the lock core hole.

R-type plastic bolt, also known as expansion bolt, is composed of two parts: Plastic sub nail and female buckle. It is unnecessary to use special installation tools during installation. The mounting base is placed in a smooth hole, and then the top of the head is pressed down. The foot of the unique design scheme can bear the force, and then it can be opened and locked tightly on the surface to be installed. Its all aluminum countersunk head rivet is usually used to connect plastic cover, light board, insulating layer material, circuit board, or other lightweight and light raw materials, which is beautiful, easy to use and easy to use.

The cooling fan bolt is designed for manual installation. According to the hole of panel or support frame, it can be pulled in. It is manufactured with polyurethane elastomer raw materials, which has excellent ductility, and can be installed quickly even if it is installed with clearance. The design scheme is appropriate and has the function of ductility. The relative diameter is not easy to slide down after pulling in. The key application of cooling fan bolt is to fix the fan, radiator and integrated IC on the computer of electronic devices, which has the function of anti vibration and reducing noise.

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