The Hillman Group 1672 Hex Cap Screw Grade 5 SAE 1/4-28 X 4 10-Pack
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<b>[Product Information]</b><br>
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<li>A common feature on a hex cap screw is a washer surface directly under the head which creates a better seal</li>
<li>An alternative for using them without nuts is to install them directly into a compatible internally threaded hole</li>
<li>Fine Thread</li>
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