Cone Bur End Type Radius Cut Type Double Shank Dia 6 mm Head Dia 9 mm Head Length 26 mm Included Angle 14 Degrees Overall Length 50 mm Trade Number SL-3 Head Shape Cone Operating Speed - Maximum 63 000 RPM List Number 807 Coating Bright (Uncoated) Head Material Carbide Shank Material Hardened Steel