Cylinder Bur SC End Type Radius Cut Type Double Shank Dia 1/4 in Head Dia 3/8 in Head Length 3/4 in Included Angle Not Applicable Overall Length 2 in Trade Number SC-3 Head Shape Cylinder Operating Speed - Maximum 63 000 RPM List Number 802 Coating Bright (Uncoated) Head Material Carbide Shank Material Hardened Steel