M16 X 2.0 Size x 0.6400" (41/64) Thread Length x D3 Limit x 0.4800" Shank DIA, High Vanadium Powdered Metal - 4 FL - AlTiN Coated
M16 X 2.0 Size x 0.6400" (41/64) Thread Length x D3 Limit x 0.4800" Shank DIA, High Vanadium Powdered Metal High Performance - Spiral Flute Semi-Bottoming Tap, 4 Flutes, AlTiN Coated