Carbide Bur End Type Radius Cut Type Double Shank Dia 1/4 in Head Dia 5/8 in Head Length 1 5/16 in Included Angle 14 Degrees Overall Length 3 3/16 in Trade Number SL-6 Primary Material Application Brass Bronze Copper Ferrous Metals Nickel Titanium Head Shape Cone Operating Speed - Maximum 12 000 RPM System of Measurement Inch Coating Bright (Uncoated) Head Material Carbide Shank Material Steel