Hillman 1/4 In. - #14 3/4 In. Washer Head Self-Drilling Sheet Metal Screw (100 Ct.) Category_Roof Venting & Fans melamine & laminate

melamine & laminate

swivel pad moves freely to adapt to various surfaces

Large steel seat and wide

moves air 75'

Hillman 1/4 In. - #14 3/4 In. Washer Head Self-Drilling Sheet Metal Screw (100 Ct.) Category_Roof Venting & Fans melamine & laminateSelf drilling screws are manufactured for use in wood, fiberglass and metal. They possess a drill point which enables the screw to drill its own hole in thin gauge steel; no pre drilled holes are necessary. The sharp threads create their own mating thread when drilled into the material, and provide a stronger grip to your surface. Perfect for roofing construction, these screws have a neoprene washer that provides a water tight seal, and prevents