Pipe Tap, Large Shank Spiral Flute, Series 2121, Imperial, 1418, GroundNPTF, 30 deg Helix Angle,
pMorse Pipe Tap, Large Shank Spiral Flute, Series 2121, Measurement System Imperial, 1418, GroundNPTF, 30 deg Helix Angle, Tapered Chamfer, 1116 in Thread Length, 2716 in Overall Length, 4 Flutes, Right Hand Cutting, 716 in Tap Drill, HSS, Brightp.