The Hillman Group 1977 Brass Hex Machine Screw Nut 4-40 96-Pack
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<b>[Product Information]</b><br>
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<li>These hex nuts are internally threaded and have a hex drive for nearly all general applications</li>
<li>Can be used with any fastener with a machine screw thread</li>
<li>Brass is stronger and harder than copper but not as strong or hard as steel</li>
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