Self-Drilling Screw, Hex Washer Head, Steel, Zinc Finish, #3 Point, #8-18 x 1-1/2" (Pack of 50)

• Single units that combine the separate functions of a drill and threaded fastener • Eliminates alignment problems encountered with drilled holes • Zinc-plated • Conforms to SAE Specification J78b Type B.S.D. • Can be used in structural steel, galvanized steel, porcelain surface steel, cast iron, aluminum, magnesium, hardwood, softwood, plywood, masonite, plastic and gypsum