ST Fastening 12 x 2-1/2" Self-Drilling HWH Steelbinder Metal Screw, Hex Head - Electro-Galvanized, Qty. 250 Zinc Nailon Anchors the Silicone rubber boot provides

the Silicone rubber boot provides exceptional resistance to weathering

Wind Protection: Helps resist uplift and lateral forces caused by high winds and storms

The Simpson Strong-Tie LUS Stainless Steel hanger provides exceptional corrosion resistance and long-term durability for demanding construction environments

G-90 Bonded Sealing Washer: Provides a watertight seal

steel and CMU

ST Fastening 12 x 2-1/2" Self-Drilling HWH Steelbinder Metal Screw, Hex Head - Electro-Galvanized, Qty. 250 Zinc Nailon Anchors the Silicone rubber boot provides12 14 x 2 1 2" HWH Steelbinder self drilling pole barn screws are designed for general metal to metal construction applications. This includes HVAC, roof deck to steel framing, and roof clips to steel framing. The Drill Point is designed to penetrate a wide variety of metal thicknesses from thin sheet metal to 0. 250" with no "point walking". These Hex Washer Head screws come without a bonded sealing washer.