Carbide Bur, End Type Pointed, Type Single, Shank Dia. 1/4 in, Head Dia. 5/8 in, Head Length 1 in, Included Angle 31 Degrees , Overall Length 2 7/8 in, Trade Number SM-6, Primary Material Application Cast Iron, Ferrous Metals, Non-Ferrous Metals, Steel, Head Shape Cone, Shank Length 1 3/4 in, Operating Speed - Maximum 25,000 RPM, System of Measurement Inch, Coating Bright (Uncoated), Compatible Tool Type Die Grinder, Rotary Power Tool, Straight Grinder, Head Material Carbide