The Hillman Group 560911 10X3 TAP-N-Seal

Product Description Metal-to-wood screws for fastening light gauge metal or fiberglass to wood. Bonded neoprene washer under hex head. All screws are a No. 10.Auxiliary retails reflect per each retail. From the Manufacturer These self-drilling screws are used in wood, fiberglass and metal, and they possess a drill point enabling it to drill in its own hole in thin gauge steel. The sharp threads create their own mating thread when drilled into the material. No pre-drilled pilot holes necessary.