Hard-to-Find Fastener 014973281267 Lead Machine Screw Anchors (12 Piece), 1/4-20"
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<b>[Product Information]</b><br>
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<li>Diameter: 1/4 inch</li>
<li>Material: lead</li>
<li>Drill size: 1/2 inch</li>
<li>Thread Type: 20 (coarse)</li>
<li>Style: Machine screw</li>
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<img src='http://ecx.images-amazon.com/images/I/51TAfConSVL.jpg'></br>