Tap America Straight Flute Hand Tap, Series: T/A, Imperial, 1/4-20 Thread, Bottoming Chamfer, 4 Flutes, HSS, Bright, Right Hand Cutting Direction, H3 Thread Limit Tap America T/A54455 Straight Flute Hand Tap, Right Hand Cutting, 1/4-20 Thread, H3 Thread Limit, Bottoming Chamfer, 4 Flutes, Bright, HSS