Forney 20992 Bottom Tap Industrial Pro HSS UNC, 1/2-Inch-by-13
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<b>[Product Information]</b><br>
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<li>Unified National Coarse (UNC)</li>
<li>High speed steel (HSS)</li>
<li>Includes 30-degree chamfer angle</li>
<li>Approximately 2 pitches chamfered and 1-1/2 tooth height</li>
<li>Used when threads need to go to the bottom of hole</li>
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