OSG 1120001 Straight Flute Hand Tap, 1/4"-20, Taper, 4 Flutes, UNC
Straight Flute Tap, Thread Size 1/4 In.-20, UNC, Taper, Overall Length 2 1/2 in, High Speed Steel, Black Oxide, Right Hand, Thread Length 11/16 in, 75 Percent Thread Drill Size #7, Thread Limit H3