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Stainless Steel Lock Nuts are also known as nylon lock nuts, self-locking nuts, nylon insert lock nuts and Nyloc nuts. Nylon lock nuts are designed to increase the locking force and prevent the nut from working loose. The internal nylon ring has no threads cut into it; it is forced to deform around the threads as the nut is twisted on, ensuring a tight grip on the thread.
For sizes 1/4-20 and larger, anti-seize thread lubricant is needed to prevent galling and breaking fastener.
April 10, 2013
I use these with s/s bolts on my boats. They work great with not having bolts loosening up.
February 24, 2013
Mike- This product was fine but I was disappointed not to be given a back order date for the balance of my order, extra shipping charges on some of the back ordered parts and finally the inability to fill the last item of my order. These were small items but still they were important to my production.
September 9, 2008
Needed to secure a bolt in a fan used for dance. The hinge got heavy use and the regular nut would come loose and fall off. Using two nuts together wouldn't do the trick so I went looking for a lock nut. Finding the size I needed was a challenge. Not everyone stocks a #4-40. Found this site and waited for a backorder to come in and couldn't be happier with what I received. I'll use this little gem in my woodworking projects, too.
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