Carbide Bur, End Type Flat, Type Single, Shank Dia. 1/4 in, Head Dia. 1/4 in, Head Length 5/8 in, Included Angle Not Applicable, Overall Length 2 in, Trade Number SB-1, Primary Material Application Cast Iron, Ferrous Metals, Non-Ferrous Metals, Steel, Head Shape Cylinder, Shank Length 1 3/8 in, Operating Speed - Maximum 30,000 RPM, System of Measurement Inch, Coating Bright (Uncoated), Compatible Tool Type Die Grinder, Rotary Power Tool, Straight Grinder, Head Material Carbide