Ball End Mill Grade High Performance List Number HPNF Ball Nose End Mill Style End Mill Material Carbide Dimension Type Fractional Inch Milling Diameter 5/16 In. Single End Number of Flutes 2 Length of Cut 13/16 In. End Mill Cutting Type Center Overall Length 2-1/2 In. Finish Bright Shank Type Straight Shank Dia 5/16 In. Cutting Direction Right Hand Helix Angle 45 Degrees End Mill Application Roughing/Finishing