Hillman 41891 Hex Washer Head Zinc Self-Drilling Screw #12 x 1-1/4 in., 25-Pack Zodiac R05055 Flange Housing 2-Pack for Baracuda S3 Robotic Pool Cleaner highways and other reflective surfaces

highways and other reflective surfaces

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eco-friendly packaging

Hillman 41891 Hex Washer Head Zinc Self-Drilling Screw #12 x 1-1/4 in., 25-Pack Zodiac R05055 Flange Housing 2-Pack for Baracuda S3 Robotic Pool Cleaner highways and other reflective surfacesFEATURES: The Hillman Washer Head Self Drilling Screw is used in wood, fiberglass and metal, and it possesses a drill point enabling it to drill its own hole in thin gauge steel. The sharp threads on these self drilling screws create their own mating thread when drilled into the material. Perfect for roofing construction, these self drilling metal screws have a neoprene washer that provides a water tight seal, and prevents corrosion between surfaces.