• Self-drilling design with integrated drill point that eliminates the need for pilot holes. • Manufactured with corrosion-resistant zinc coating for increased durability in indoor and light outdoor applications. • Hex head with washer-style flange that evenly distributes pressure and increases clamping force. • Ideal for secure metal-to-metal fastening in HVAC ducts, metal structures, fences, and roofs. • Provides a strong, vibration-resistant thread in sheet metal and low-gauge steel. • Compatible with standard 1/4 inch hex bits and cordless drills.