GREENFIELD THREADING 313502 Straight Flute Hand Tap Plug, 3 Flutes
$8.55
Spiral Point Tap, Thread Size 5/16 In.-18, UNC, Overall Length 2 23/32 in, High Speed Steel, Bright (Uncoated), Right Hand, Thread Length 1 1/8 in, 75 Percent Thread Drill Size F, Thread Limit H11, Class of Fit 1B, Number of Flutes 3