The Hillman Group 829722 5/16 by 18-Inch Stainless Steel Nylon Insert Locknut, 50-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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