Spiral Point Tap, Thread Size 5/8 In. -11, UNC, Overall Length 3 13/16 in, High Speed Steel, Black Oxide, Right Hand, Thread Length 1 13/16 in, 75 Percent Thread Drill Size 13.60 mm, Thread Limit H3, Class of Fit 2B, Number of Flutes 3. This item has been restricted from sale in the following state (s): []