Carbide Bur End Type Radius Cut Type Double Shank Dia 1/8 in Head Dia 1/8 in Head Length 1/8 in Included Angle Not Applicable Overall Length 1 1/2 in Trade Number SD-42 Primary Material Application Brass Bronze Copper Ferrous Metals Nickel Titanium Head Shape Ball Operating Speed - Maximum 64 000 RPM System of Measurement Inch Coating Bright (Uncoated) Head Material Carbide Shank Material Carbide