Cone Bur End Type Pointed Cut Type Single Shank Dia 3 mm Head Dia 3 mm Head Length 2 1/2 mm Included Angle 60 Degrees Overall Length 50 mm Trade Number SJ-42 Head Shape Cone Operating Speed - Maximum 80 000 RPM List Number 900 Coating Bright (Uncoated) Head Material Carbide Shank Material Carbide