Spiral Point Tap, Thread Size #4-40, UNC, Overall Length 1 7/8 in, Cobalt, TiN, Right Hand, Thread Length 3/8 in, 75 Percent Thread Drill Size 2.20 mm, Thread Limit H8, Class of Fit Not Applicable, Number of Flutes 3. This item has been restricted from sale in the following state (s): []