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Red Green

wrote in :

On Sat, 04 Oct 2014 21:38:31 -0400, wrote:

Instead of lock washers, some nuts use nylon inserts to keep them on.

How many times can one put the nut on -- and off in between -- and have
it still work well as a lock nut?. When does the nylon stop working?

B.

An engineer would say once.

So would I.

Every time you use it, the nylon wears and the retention is decreased.