Routing End Mill Downcut Spiral O-Flute High Performance Number of Flutes 1 Single End Plunge Point End Style Center Cutting Type Right Hand Cut Carbide Uncoated Finish Dia 1/4 In Shank Dia 1/4 In Length of Cut 1 1/4 In Overall Length 3 In Cut Angle 25 Deg Helix Angle 25 Deg For Plastic Wood Aluminum and Solid Surface