ATA SGSPRO Carbide Burr, Imperial, Series: Universal SE, 3/16 in Head Dia, 9/32 in Length of Cut, 1-1/2 in Overall Length, Oval Head Shape, Single Cut Type, 1/8 in Shank Dia, Solid Carbide Head, Applicable Materials: Non-Hardened Steel, Stainless Steel, Nickel, Cobalt, Titanium, Brass, Copper, Zinc and Cast Iron, SE-53 Industry Specification