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Supply GB845 cross pan head self-tapping screw galvanized round head self-tapping screw 3/4

author:[email protected] Click:6929end source: time:2024-02-10 12:32:35

Summary of information:We have more than ten years of production experience in the screw industry. The main products are: U-shaped clip fillet ...

At present, most of the thread locking structures use an integral nut and a matching external thread screw structure. To remove the nut from the screw rod, it must be completely unscrewed along the screw rod, which is time-consuming and labor-intensive. It is more inconvenient to install.

It can be seen that the above processing method can only be used to process a relatively simple retaining ring (that is, only a ring body, which cannot be cut or punched), and the outer surface of the processed retaining ring still cannot be guaranteed to be completely flat.

The shaft and gear of financial self-service equipment are often connected by elastic straight groove cylindrical pins. When repairing, the traditional disassembly method is to use the shaft and gear as components. After disassembling together, align the punch with the elastic pin by hand, and use a hammer to remove the elastic pin. Pin out. With this disassembly method, the human hand is easily injured, and the disassembly efficiency is low.

Guangdong Yueluo Hardware Industry Co., Ltd. discloses a countersunk head rivet. The countersunk head rivet includes a nail body and a mandrel. The nail body is tubular, and one end is provided with a nail cap. The mandrel passes through the nail body from the cap end and forms a diameter. For the nail head larger than the internal diameter of the nail, the nail cap is close to the end of the nail head to form a countersunk head. When the countersunk head rivet is in use, the nail body forms a countersunk head structure to the riveted metal piece under the extrusion of the nail head, so that the two riveted metal pieces are firmly riveted without the nail body protruding from the metal piece.

The blind rivet is realized by pulling the core head. With the help of a force from the inside to the outside, under the action of the unidirectional pulling force, the pulling screw is pulled upwards, which causes the outer collar material to expand and deform, resulting in a sexual tightening force. , After the riveting is completed, the tension screw in the middle part breaks and falls out. Since a large pulling force is required to cause the rivet to expand and deform, the tensile screw is longer and accounts for about 60-80% of the total length of the rivet. At the same time, due to the limitation of the deformation mode, it is difficult for the blind rivet to be made into a hexagonal structure like a rivet nut, so the torsion resistance of its connection is low.

We have many years of experience in the production and sales of screws, nuts, flat washers, etc. The main products are: American K-cap nuts, processing cone pins, machine screws, FPV model racks and other products, we can provide you with suitable fastening products piece solution.

Self-tapping screws

Supply GB845 cross pan head


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