Carbide Bur End Type Radius Cut Type Double Shank Dia 1/4 in Head Dia 1/2 in Head Length 1 1/4 in Included Angle 16 Degrees Overall Length 3 in Trade Number SL-5CO Primary Material Application Ferrous Metals Non-Ferrous Metals Head Shape Cone Inverted Cone Operating Speed - Maximum 28 000 RPM System of Measurement Inch Coating Bright (Uncoated) Head Material Carbide Shank Material Steel