Spiral Point Tap, Thread Size 1 In. -8, UNC, Overall Length 6 9/32 in, HSS-E, Black Oxide, Right Hand, Thread Length 2 1/2 in, 75 Percent Thread Drill Size 22.25 mm, Thread Limit 2B, Class of Fit 2B, Number of Flutes 4. This item has been restricted from sale in the following state (s): []