Cone Bur End Type Pointed Cut Type Single Shank Dia 1/4 in Head Dia 1/4 in Head Length 1/2 in Included Angle 22 Degrees Overall Length 2 in Trade Number SM-1 Head Shape Cone Operating Speed - Maximum 70 000 RPM List Number 905 Coating Bright (Uncoated) Head Material Carbide Shank Material Carbide