Forney 20994 Bottom Tap Industrial Pro HSS UNC， 5/8-Inch-by-11<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><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></ul></div><img src="http://ecx.images-amazon.com/images/I/31G%2BFwcLxKL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31RdSBMGMnL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31cCo9VSREL.jpg" noproxy>