Spiral Point Tap, Thread Size 1/4 In. -28, UNF, Overall Length 3 9/64 in, Cobalt High Speed Steel, TiCN, Right Hand, Thread Length 37/64 in, 75 Percent Thread Drill Size 5.45 mm, Thread Limit 2B, Class of Fit 2B, Number of Flutes 3. This item has been restricted from sale in the following state (s): []