Carbide Bur End Type Radius Cut Type Single Shank Dia 1/4 in Head Dia 3/16 in Head Length 1/8 in Included Angle Not Applicable Overall Length 2 in Trade Number SD-14 Primary Material Application Brass Bronze Copper Ferrous Metals Nickel Titanium Head Shape Ball Operating Speed - Maximum 75 000 RPM System of Measurement Inch Coating Bright (Uncoated) Compatible Tool Type Die Grinder Head Material Carbide Shank Material Carbide