Spiral Point Tap, Thread Size 3/4 In. -10, UNC, Overall Length 4 1/4 in, Cobalt, TiCN, Right Hand, Thread Length 1 7/32 in, 75 Percent Thread Drill Size 16.50 mm, Thread Limit H3, Number of Flutes 3. This item has been restricted from sale in the following state (s): []