Hex Head Self Drill Screws for Heavy Section Steel EPDM Washers 5.5mm 55mm Pack of 100

Designed for heavy-duty applications, these screws feature a hexagonal head for easy installation using a wrench or socket. The self-drilling tip eliminates the need for pre-drilling, making installation quicker and more efficient. These screws are ideal for fastening into heavy section steel, providing strong and reliable connections in industrial, commercial, and roofing applications. The included EPDM washers create a watertight seal, protecting against leaks and corrosion, making them perfect for outdoor use where exposure to the elements is a concern. Features & Benefits • Exterior plating gives a reliable and durable corrosion resistant coating which resists 500 hours salt-spray • Used for attaching metal to heavy section steel (Max. 12mm) without the need to pre-drill a hole • Partially threaded Specifications • Diameter: 5.5mm • Length: 55mm • Quantity: 100