Cylinder Bur SA Cut Type Single Shank Dia 1/8 in Head Dia 1/16 in Head Length 1/4 in Included Angle Not Applicable Overall Length 1 1/2 in Trade Number SA-41 Head Shape Cylinder Operating Speed - Maximum 90 000 RPM List Number 900 Coating Bright (Uncoated) Head Material Carbide Shank Material Carbide