Dumont Minute Man 77707

5/16″ Hex, 5/16″ Pilot Hole Diam, 3/8 to 1″ Length of Cut, Hexagon Broach 0.359 to 0.361″ Across Corners, 7-3/4″ OAL, 1,510 Lb Pressure for Max Length of Cut, 7/32″ Pitch, High Speed Steel