The Hillman Group 43748 5/8-11-Inch Nylon Insert Lock Nut, Stainless Steel, 5-Pack
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<b>[Product Information]</b><br>
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<li>Nylon Insert Lock Nuts have a captive undersized nylon washer that creates friction with the mating threads to prevent loosening</li>
<li>Helps resist the effects of vibration and other forces</li>
<li>Stainless Steel</li>
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