Cone Bur End Type Radius Cut Type Aluminum Shank Dia 6 mm Head Dia 19 mm Head Length 38 mm Included Angle 14 Degrees Overall Length 50 mm Trade Number SL-7A Head Shape Cone Operating Speed - Maximum 30 000 RPM List Number 887 Coating Bright (Uncoated) Head Material Carbide Shank Material Hardened Steel