Simpson #12 x 2-1/2" Self-Drilling Hex-Washer Head Screw, 305 Stainless Steel SDWH TIMBER-HEX SS Screw the included carbon-steel Titen HD

the included carbon-steel Titen HD screw anchors are not recommended for exposed exterior applications

Is this screw suitable for exterior use or contact with pressure-treated lumber

and beyond

Type 316 stainless steel offers superior corrosion resistance compared to standard fastener materials

The optional triangle nail holes may be used for increased uplift capacity

Simpson #12 x 2-1/2" Self-Drilling Hex-Washer Head Screw, 305 Stainless Steel SDWH TIMBER-HEX SS Screw the included carbon-steel Titen HDSimpson #12 x 2 1 2" Self Drilling Hex Washer Head Screw in 305 Stainless Steel is engineered for reliable fastening in applications where corrosion resistance is critical. Crafted from Type 305 stainless steel, this self drilling screw drives fast and clean into aluminum and fiberglass substrates without requiring a pre drilled pilot hole saving time and reducing steps on the job. The indented hex washer head provides a broad bearing surface and a