| GREENFIELD THREADING 357047 Spiral Point Tap Plug, 2 Flutes Spiral Point Tap, Thread Size 1/4 In.-20, UNC, Overall Length 2 1/2 in, High Speed Steel, TiN, Right Hand, Thread Length 1 in, 75 Percent Thread Drill Size #7, Thread Limit H3, Class of Fit 2B, Number of Flutes 2 more | | $8.55 go to store |