Carbide Bur End Type Radius Cut Type Double Shank Dia 1/8 in Head Dia 1/4 in Head Length 1/2 in Included Angle Not Applicable Overall Length 2 in Trade Number SF-51 Primary Material Application Brass Bronze Copper Ferrous Metals Nickel Titanium Head Shape Tree Operating Speed - Maximum 32 000 RPM System of Measurement Inch Coating Bright (Uncoated) Head Material Carbide Shank Material Steel