The main purpose of Square Bolt is to fasten utensils and parts. The square bolt can be used to prevent the relative movement between the shaft and the sleeve. In some cases, the top wire is used for easy disassembly. For example, the two parts are closely fitted and can be separated by the top wire. So how do we use square bolts correctly?

When in use, first screw the screw into the internally threaded hole of the part to be fixed, and then press the end of the screw firmly against the surface of the other part, even if the relative positions of the two parts are fixed. Slotted and hexagon socket set screws are suitable for places where the screw is not allowed to be exposed, and square head set screws are suitable for places where the nail head is allowed to be exposed.

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