Thread Forming Tap, Thread Size #12-28, UNF, Overall Length 2 23/64 in, Cobalt, Black Oxide, Right Hand, Thread Length 9/16 in, 75 Percent Thread Drill Size 5.00 mm, Thread Limit H5, Class of Fit 3B.
10 mm, Thread Limit H5, Class of Fit 2B.Thread Forming Tap, Thread Size #6-32, UNC, Overall Length 2 in, Cobalt, Black Oxide, Right Hand, Thread Length 3/8 in, 75 Percent Thread Drill Size 3.