Monster Tool Company 3/16 2FL DE REG AlTiN Carbide End Mill, 64124, Diameter: 3/16, Number of Flutes: 2, End Style: Square, Length of Cut: 1/2, Overall Length: 3, Shank Diameter: 3/8, Helix: 30-Degree, Right Hand Cut, Material Base: Carbide, Finish / Coating: AlTiN