Spiral Point Tap, Thread Size 7/16 In. -20, UNF, Overall Length 3 5/32 in, Cobalt, Black Oxide, Right Hand, Thread Length 7/8 in, 75 Percent Thread Drill Size 9.95 mm, Thread Limit H3, Class of Fit 6H, Number of Flutes 3. This item has been restricted from sale in the following state (s): []