Carbide End Mill Grade C2 Micro Grain List Number 218 General Purpose End Style Square End Single End Dimension Type Fractional Inch Diameter 7/16 In. Shank Dia 7/16 In. Length of Cut 3 In. Overall Length 6 In. Number of Flutes 4 Center Cutting Type Cutting Direction Right Hand Helix Angle 30 Degrees Finish Uncoated