Cylinder Bur SB End Type Flat Cut Type Single Shank Dia 1/8 in Head Dia 1/8 in Included Angle Not Applicable Overall Length 1 1/2 in Trade Number SB-ECO Head Shape Cylinder Operating Speed - Maximum 80 000 RPM List Number 900 Coating Bright (Uncoated) Head Material Carbide Shank Material Carbide