WIDIA 19237 Straight Flute Hand Tap , 5/16"-18 , Taper , 3 Flutes, UNF
$10.15
Straight Flute Tap, Thread Size 5/16 In.-18, UNC, Taper, Overall Length 2 23/32 in, High Speed Steel, Black Oxide, Right Hand, Thread Length 1 1/8 in, 75 Percent Thread Drill Size F, Thread Limit H3, Class of Fit 2B, 3B