Spiral Point Tap, Thread Size 7/16 In. -20, UNF, Overall Length 3 29/32 in, HSS-E, Black Oxide, Right Hand, Thread Length 1 9/16 in, 75 Percent Thread Drill Size 9.95 mm, Thread Limit 2B, Class of Fit 2B, Number of Flutes 3. This item has been restricted from sale in the following state (s): []