Cone Bur End Type Radius Cut Type Double Shank Dia 1/8 in Head Dia 3/16 in Head Length 1/2 in Included Angle 14 Degrees Overall Length 1 1/2 in Trade Number SL-53 Head Shape Cone Operating Speed - Maximum 75 000 RPM List Number 820 Coating Bright (Uncoated) Head Material Carbide Shank Material Carbide