This pack of 100 stainless steel hex lock nuts with nylon insert is designed to resist turning and lock in place through friction against the screw. The nylon insert deforms elastically over the threads of the screw, without being cut into, and retains its locking ability up to 250 °F. Made of 304 stainless steel, these nuts offer good corrosion resistance in most environments. With a height of 5/16" and a hex socket drive of 7/16", they are suitable for use with an externally threaded item that measures 1/4 inch and has 20 threads per inch.
It is a nut with a nylon collar insert that resists turning. The insert deforms elastically over the threads of the screw, but threads are not cut into the nylon. The nylon insert locks the nut by friction against the screw under the applied radial compressive force.
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