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What are the uses of the Allen screws?
The head of the screw head of the hexagon socket screw is round, and the middle is a concave hexagon. The hexagon screw is the kind of hexagon that is common to many screw heads. Hexagon socket screws are often used on machinery. They mainly have t...
Selection of standard material considerations
1. The requirements for standard parts materials in terms of mechanical properties, especially strength; 2. The requirements of working conditions on the corrosion resistance of the material; 3, the working temperature of the material's heat resistan...
How much does the fastener screw nut plating know?
In order to prevent the corrosion of steel parts, it is one of the common methods to plate a layer of zinc on the surface. Due to different processes, different names have been generated. Galvanizing is mainly electroplated and fired. The former is t...
The real contrast between flange nuts and ordinary nuts
Common nuts (Figure 2)Flange nuts (figure 1) The size of the flange nut and the general hex nut is basically the same as the thread size, but compared with the hex nut, it is a one-piece washer and nut, and there is a non-slip tooth pattern below, wh。。。