Spiral Point Tap, #5-40, Plug, UNC, 2 Flutes, Oxide
Spiral Point Tap, Thread Size #5-40, UNC, Overall Length 1 29/32 in, High Speed Steel, Black Oxide, Right Hand, Thread Length 5/16 in, 75 Percent Thread Drill Size #39, Thread Limit 2B, Class of Fit H3, Number of Flutes 2.