Routing End Mill Upcut 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 3/8 In Overall Length 2 In Cut Angle 21 Deg Helix Angle 21 Deg For Cast Acrylic Nylon PVC