Hexagon socket head screws are used for fastening. They are commonly used in machinery. They mainly have the advantages of easy fastening, disassembly and not easy to slide. They are divided into carbon steel and stainless steel according to material. This screw is often vibrated and shaken when installed on the machine, so some Allen screws may loosen. In order to avoid this phenomenon, we need to adopt some anti loosening treatment. 1 - add a suitable spring washer between the hexagon socket screw and the workpiece. 2. Drop resistant glue dispensing shall be made at the end of the thread of the inner hexagon screw. 3. If the socket head cap screw is used in a place that does not need to be disassembled, the screw can be welded in the installation position after the screw is installed
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