Rivet nuts, also known as pull caps, instant pull caps, are used in the fastening fields of various metal sheets, pipes and other manufacturing industries, and are widely used in automobiles, aviation, railways, refrigeration, elevators, switches, instruments, furniture, decoration And so on the assembly of electromechanical and light industrial products. It is developed to solve the shortcomings of thin metal plate and thin tube welding nuts, such as easy melting and easy sliding of internal threads.
If the nut of a certain product needs to be installed outside, and the space inside is small, the indenter of the sub-riveting machine cannot be entered for pressure riveting and the methods such as budding cannot meet the strength requirements, then pressure riveting and riveting are not feasible. Riveting must be used. It is suitable for fastening of plates and pipes of various thicknesses (0.5MM-6MM). Using a pneumatic or manual riveting gun, it can be riveted at one time, which is convenient and firm; it replaces the traditional welding nut, and makes up for the shortcomings of metal sheet, thin tube welding, fusible welding, and uneven welding nut.
The specifications of rivet nuts in the national standard are M3, M4, M5, M6, M8, M10, and M12. In fact, M6 and M8 are recommended, because if the thread is small, it can be directly tapped on the base material. If the thread is large, the weight of the bolt will increase greatly. The increase in connection strength is limited, i.e. the matching is not very reasonable.
It can be seen from the above that rivet nuts can be widely used on aluminum alloy substrates of different thicknesses or steel plates with a thickness of 1-2.5mm. In particular, the connection of steel rivet nuts to aluminum alloy components eliminates the tediousness of pre-embedding steel plates inside, and the manufacturability is significantly improved.
The conventional classification of rivet nuts can be divided into flat head, small head, hexagon, half hexagon; through hole, blind hole, knurled and no knurled; materials are stainless steel, carbon steel, aluminum, copper. If customers have requirements for rivet nuts, they can order according to their specifications, models, types, materials, electroplating, public range, size, length, etc. Some are of national standard specifications. You only need a national standard number to know that electroplating can be electroplated in different colors, which are mainly selected according to the color of the product material.
No matter what type of rivet nut it is, it needs to be used with a riveting gun.
The cap pulling gun, also known as the rivet nut gun, has a wide range of uses. It is divided into two categories: manual and automatic. The manual cap pulling gun generally has two specifications for pulling the cap, while the automatic cap pulling gun can pull the cap M3~M12. Both are used for various Stainless steel products industry.