Simpson Strong-Tie SDWS Timber Screws (Exterior Grade) are your go-to fasteners when strength and weather resistance matter
Flat head with Phillips drive for clean countersinking and smooth finish
Fastening Flexibility: Pre-punched holes allow for multiple nailing or screwing patterns
efficient installation in steel-to-steel applications
and industrial flooring systems
Daggerz #10 x 5/8" Self-Drilling Metal-to-Metal Screw, Hex-Washer Head - Zinc, Qty. 7,500 Large Diameter Concrete Screws Simpson Strong-Tie SDWS Timber ScrewsThe Daggerz Self Drilling Metal Screws with Hex Head and Zinc coating are built for secure, consistent fastening in light to heavy gauge metal. Whether you're installing steel framing, attaching metal panels, or working on HVAC, these screws drive fast and hold strong no pre drilling required. Designed with a self drilling point and zinc plating for moderate corrosion resistance, Daggerz screws are a go to for pros and DIYers alike. The integrated hex