Straight Flute Tap, Thread Size #4-40, UNC, Bottom, Overall Length 1 7/8 in, High Speed Steel, Bright (Uncoated), Right Hand, Thread Length 1/4 in, 75 Percent Thread Drill Size 2.20 mm, Thread Limit H2, Class of Fit 2B. This item has been restricted from sale in the following state (s): []