Carbide Bur End Type Radius Cut Type Single Shank Dia 1/4 in Head Dia 1/2 in Head Length 3/4 in Included Angle Not Applicable Overall Length 2 1/2 in Trade Number SF-13 Primary Material Application Ferrous Metals Non-Ferrous Metals Stainless Steel Steel Head Shape Tree Shank Length 1 3/4 in Operating Speed - Maximum 40 000 RPM System of Measurement Inch Coating Bright (Uncoated) Compatible Tool Type Die Grinder Rotary Power Tool Straight Grinder Head Material Carbide