Cone Bur End Type Radius Cut Type Aluminum Shank Dia 6 mm Head Dia 16 mm Head Length 33 mm Included Angle 14 Degrees Overall Length 50 mm Trade Number SL-5MA Head Shape Cone Operating Speed - Maximum 40 000 RPM List Number 887 Coating Bright (Uncoated) Head Material Carbide Shank Material Hardened Steel