Monster Tool Company 9/16 3FL SE REG BN TiN Carbide End Mill, 63423, Diameter: 9/16, Number of Flutes: 3, End Style: BallNose, Length of Cut: 1-1/4, Overall Length: 3-1/2, Shank Diameter: 9/16, Helix: 30-Degree, Right Hand Cut, Material Base: Carbide, Finish / Coating: TiN