M4 X 0.7 Size x 0.7500" (3/4) Thread Length x D4 Limit x 0.1680" Shank DIA, High Speed Steel - 3 FL - Zrn Coated
M4 X 0.7 Size x 0.7500" (3/4) Thread Length x D4 Limit x 0.1680" Shank DIA, High Speed Steel Spiral Flute - Semi-Bottoming Tap, 3 Flutes, Zrn Coated