Cylinder Bur SA Cut Type Single Shank Dia 1/8 in Head Dia 3/32 in Head Length 7/16 in Included Angle Not Applicable Overall Length 1 1/2 in Trade Number SA-42 Head Shape Cylinder Operating Speed - Maximum 85 000 RPM List Number 900 Coating Bright (Uncoated) Head Material Carbide Shank Material Carbide