Prototyp Supreme End Mill, Standard, Series: MC326, 9.525 mm Diameter Cutter, 76.2 mm Overall Length, 22.2 mm Length of Cut, 4 Flutes, 9.525 mm Shank Diameter, Right Hand Cutting Direction, 50 deg Helix Angle, Weldon Flat Shank, ANSI Code: MC326.9.53W4D-WK40TF, ISO Code: MC326.9.53W4D-WK40TF, Solid Carbide, WK40TF Coated