Monster Tool Company 9/32 4FL SE Stub TiN Carbide End Mill, 61151, Diameter: 9/32, Number of Flutes: 4, End Style: Square End, Length of Cut: 1/2, Overall Length: 2, Shank Diameter: 5/16, Helix: 30-Degree, Right Hand Cut, Material Base: Carbide, Finish / Coating: TiN