Tree Bur SG, End Type Pointed, Cut Type Single, Shank Dia. 1/4 in, Head Dia. 1/4 in, Head Length 1/2 in, Included Angle Not Applicable, Overall Length 6 1/2 in, Trade Number SG-1L6, Primary Material Application Cast Iron, Ferrous Metals, Non-Ferrous Metals, Steel, Head Shape Tree, Operating Speed - Maximum 70,000 RPM, Coating Bright (Uncoated), Head Material Carbide, Shank Material Steel