Ball End Mill Grade General Purpose List Number 221 Ball Nose End Mill Style End Mill Material Carbide Dimension Type Metric Milling Diameter 20.00mm Single End Number of Flutes 2 Length of Cut 38.00mm End Mill Cutting Type Center Overall Length 102.00mm Finish Bright Shank Type Straight Shank Dia 20.00mm Cutting Direction Right Hand Helix Angle 30 Degrees Neck Dia 20.00mm