ATA SGSPRO Carbide Burr, Metric, Series: Universal SD, 6 mm Head Dia, 5 mm Length of Cut, 50 mm Overall Length, Ball Head Shape, Single Cut Type, 6 mm Shank Dia, Solid Carbide Head, Applicable Materials: Non-Hardened Steel, Stainless Steel, Nickel, Cobalt, Titanium, Brass, Copper, Zinc and Cast Iron, SD-1M Industry Specification