Cylinder Bur SA Cut Type Double Shank Dia 1/4 in Head Dia 1/2 in Head Length 1/2 in Included Angle Not Applicable Overall Length 2 in Trade Number SA-5F Head Shape Cylinder Operating Speed - Maximum 50 000 RPM List Number 801 Coating Bright (Uncoated) Head Material Carbide Shank Material Hardened Steel