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The lock nut on the support unit is coming loose. What should I do?

When securing the set piece with a hexagonal socket-head set screw, apply an adhesive (such as Loctite) to the hexagonal socket-head set screw before tightening it in order to prevent the screw from loosening. Another way to improve the locking effect is to increase the number of set screws in the lock nut.

　　　　For support unit mounting, click here.