Pipe and Conduit Thread Tap, Thread Size 1/2 In. -14, ANPT, NPT, Overall Length 3 1/8 in, High Speed Steel, Black Oxide, Right Hand, Thread Length 1 21/32 in, 75 Percent Thread Drill Size 45/64 in, Thread Limit Not Applicable, Class of Fit Not Applicable, Number of Flutes 5. This item has been restricted from sale in the following state (s): []