Spiral Point Tap, 1/2-13, Plug, UNC, 3 Flutes, Bright
4219 in, Thread Limit H3, Class of Fit JIS 2, Number of Flutes 3.-13, UNC, Overall Length 3 11/32 in, High Speed Steel, Bright (Uncoated), Right Hand, Thread Length 15/16 in, 75 Percent Thread Drill Size 0.Spiral Point Tap, Thread Size 1/2 In.