Spiral Flute Tap, 1/2-13, Bottoming, UNC, 3 Flutes, Uncoated
Spiral Flute Tap, Thread Size 1/2 In.-13, UNC, Overall Length 3 3/8 in, High Speed Steel, Bright (Uncoated), Thread Length 7/8 in, 75 Percent Thread Drill Size 27/64 in, Thread Limit H3, Class of Fit 3B, Thread Direction Right Hand, Number of Flutes 3.