Straight Flute Tap, Thread Size 1/4 In. -20, UNC, Semi-Bottoming, Overall Length 2.5 in, Cobalt, TiCN, Right Hand, Thread Length 0.63 in, 75 Percent Thread Drill Size #7, Thread Limit H3, Class of Fit 2B. This item has been restricted from sale in the following state (s): []