Best Seller | GREENFIELD THREADING 302161 Straight Flute Hand Tap, Taper, 4 Straight Flute Tap, Thread Size #10-24, UNC, Taper, Overall Length 2 3/8 in, High Speed Steel, Bright (Uncoated), Right Hand, Thread Length 1/2 in, 75 Percent Thread Drill Size #25, Thread Limit H2, Class of Fit 2B ... more GREENFIELD THREADING 302161 Straight Flute Hand Tap, Taper, 4 Straight Flute Tap, Thread Size #10-24, UNC, Taper, Overall Length 2 3/8 in, High Speed Steel, Bright (Uncoated), Right Hand, Thread Length 1/2 in, 75 Percent Thread Drill Size #25, Thread Limit H2, Class of Fit 2B | | $6.49 go to store |