Carbide Bur, End Type Radius, Cut Type Single, Shank Dia. 1/4 in, Head Dia. 3/4 in, Head Length 1 in, Included Angle Not Applicable, Overall Length 2 3/4 in, Trade Number SC-7, Primary Material Application Cast Iron, Ferrous Metals, Non-Ferrous Metals, Steel, Head Shape Cylinder, Operating Speed – Maximum 33,000 RPM, List Number 1847, System of Measurement Inch, Coating Bright (Uncoated), Head Material Carbide, Shank Material Hardened Steel