Spiral Flute Tap, Thread Size #10-32, UNF, Overall Length 2 3/4 in, HSS-E, Black Oxide, Thread Length 7/16 in, 75 Percent Thread Drill Size #21, Thread Limit 2B, Class of Fit 2B, Thread Direction Right Hand, Number of Flutes 3.
Spiral Flute Tap, Thread Size #10-32, UNF, Overall Length 2 3/4 in, HSS-E, Black Oxide, Thread Length 7/16 in, 75 Percent Thread Drill Size #21, Thread Limit 2B, Class of Fit 2B, Thread Direction Right Hand, Number of Flutes 3.