OSG 1130500 Straight Flute Hand Tap, 1/4"-28, Bottoming, 4 Flutes, UNF
Straight Flute Tap, Thread Size 1/4 In.-28, UNF, Bottoming, Overall Length 2.5 in, High Speed Steel, Bright (Uncoated), Right Hand, Thread Length 0.75 in, 75 Percent Thread Drill Size 5.45 mm, Thread Limit H4, Class of Fit 2B-3B