The type of fastener is a type of fastener that is oblate. Between the support surface of the bolt, the screw or the nut and the surface of the connecting part, it increases the contact surface area of the connected part...
Screws are also a type of fastener consisting of two parts, the head and the screw. They can be divided into three categories according to their application: machine screws, set screws and special purpose screws. The mac...
The surface treatment is mainly for the purpose of increasing the anti-corrosion performance, and some of the color is also taken into account, so it is mainly for carbon steel products, which generally require surface t...
The materials of fasteners are in the most common order: carbon steel, stainless steel, stainless steel, copper, aluminum, etc. Carbon steel is further divided into low carbon steel (such as C1008/C1010/C1015/C1018/C1022...
The parameters that need to be indicated for the description of the fastener are: product name (standard), specification, material, strength grade, surface treatment. Such as: DIN912, M4-0.7x8, SCM435, 12.9, black. 1.pro...
Galvanized screws have a mechanical performance rating of up to 8.8, while stainless steel screws can only be up to -70, such as A2-70, A4-70, which is equivalent to 7 and lower than galvanized screws. Therefore, the use...
