ATA SGSPRO, 11500, Carbide Burr, Imperial, Series: Universal SB, 1/8 in Diameter Head, 9/16 in Length of Cut, 1-1/2 in Overall Length, Cylindrical Head Shape, Single Cut, 1/8 in Shank Diameter, Solid Carbide Head, 100000 rpm Maximum, Applicable Materials: Non-Hardened Steel, Stainless Steel, Nickel, Cobalt, Titanium, Brass, Copper, Zinc and Cast Iron, Industry Specification: SB-43