Cone Bur End Type Radius Cut Type Single Shank Dia 6 mm Head Dia 8 mm Head Length 22 mm Included Angle 14 Degrees Overall Length 50 mm Trade Number SL-2 Head Shape Cone Operating Speed - Maximum 65 000 RPM List Number 907 Coating Bright (Uncoated) Head Material Carbide Shank Material Hardened Steel