10 methods of anti-loosening safety bolts (6) Cotter pins and slotted nuts

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 10 methods of anti-loosening safety bolts (6) Cotter pins and slotted nuts

As a tool commonly used in fixtures, bolts are widely used, but long-term use will also bring many problems, such as loose connection, insufficient clamping force, and rusted bolts. During the processing and production of parts, the quality and efficiency of processing will be affected due to the loose connection of bolts. So how to prevent the bolt from loosening? Anti-loose purpose: to work more effectively for a long time; to improve the reliability of related workpieces.

After the nut is tightened, insert the cotter pin into the nut groove and the hole at the end of the bolt, and open the tail of the cotter pin to prevent the relative rotation of the nut and the bolt.

The installation form of cotter pin is as follows:


Slotted nuts are used in conjunction with threaded rod eye bolts and cotter pins to prevent relative rotation of the bolt and nut.


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