SGS Pro® Carbide Burr, Imperial, Series: Universal SB, 1/2 in Diameter Head, 1 in Length of Cut, 2-3/4 in Overall Length, End Cut End, Cylindrical Head Shape, Single Cut, 1/4 in Shank Diameter, Solid Carbide Head, 28000 rpm Maximum, Applicable Materials: Non-Hardened Steel, Stainless Steel, Nickel, Cobalt, Titanium, Brass, Copper, Zinc and Cast Iron, Industry Specification: SB-5