Monster Tool Company 1 4FL SE X/LG 3x6 AlTiN Carbide End Mill, 62858, Diameter: 1, Number of Flutes: 4, End Style: Square End, Length of Cut: 3, Overall Length: 6, Shank Diameter: 1, Helix: 30-Degree, Right Hand Cut, Material Base: Carbide, Finish / Coating: AlTiN