OSG 1122400 Straight Flute Hand Tap, 1/2"-13, Taper, 4 Flutes, UNC
Straight Flute Tap, Thread Size 1/2 In.-13, UNC, Taper, Overall Length 3 11/32 in, High Speed Steel, Bright (Uncoated), Right Hand, Thread Length 1 1/8 in, 75 Percent Thread Drill Size 27/64 in, Thread Limit H3