The Hillman Group 967662 10 X 3-Inch Self Piercing Sheeter, Polebarn Screw, 1000-Pack
Hex Washer Head Self Piercing Screws are designed for joining thin pieces of metal to wood, fiberglass or metal. Self Piercing tip, no need for a pre - drill. Neoprene washer prevents corrosion between surfaces. Great for metal roofing.
