Monster Tool Company 3/16 4FL SE LG 3/4x2 1/2 Carbide End Mill, 62661, Diameter: 3/16, Number of Flutes: 4, End Style: Square End, Length of Cut: 3/4, Overall Length: 2-1/2, Shank Diameter: 3/16, Helix: 30-Degree, Right Hand Cut, Material Base: Carbide, Finish / Coating: Uncoated