Cylinder Bur SC End Type Radius Cut Type Aluminum Shank Dia 1/4 in Head Dia 5/8 in Head Length 1 in Included Angle Not Applicable Overall Length 2 in Trade Number SC-6A Head Shape Cylinder Operating Speed - Maximum 40 000 RPM List Number 882 Coating Bright (Uncoated) Head Material Carbide Shank Material Hardened Steel