Spiral Flute Tap, Thread Size 7/16 In. -20, UNF, Overall Length 3 5/32 in, Cobalt, Black Oxide, Thread Length 7/8 in, 75 Percent Thread Drill Size 9.95 mm, Thread Limit H5, Class of Fit 2B, Thread Direction Right Hand, Number of Flutes 3. This item has been restricted from sale in the following state (s): []