Straight Flute Tap, Thread Size 5/8 In. -18, UNF, Plug, Overall Length 3.81 in, High Speed Steel, Bright (Uncoated), Left Hand, Thread Length 1.81 in, 75 Percent Thread Drill Size 13.60 mm, Thread Limit H3, Class of Fit 2B. This item has been restricted from sale in the following state (s): []