Cone Bur End Type Radius Cut Type Single Shank Dia 1/8 in Head Dia 1/8 in Head Length 1/2 in Included Angle 8 Degrees Overall Length 1 1/2 in Trade Number SL-42 Head Shape Cone Operating Speed - Maximum 80 000 RPM List Number 900 Coating Bright (Uncoated) Head Material Carbide Shank Material Carbide