Simpson Strong-Tie #12 4" Self-Drilling Screw, Hex-Washer Head - 316 Stainless Steel, Qty. 100 Sale - Connectors Drive flush with the wood

Drive flush with the wood surface—do not overdrive

Use the specified nails or screws as recommended by Simpson Strong-Tie to ensure full load capacity

Compatible with 1/2" diameter threaded rod or anchor bolt (sold separately)

ensure proper alignment

Size: 18" length to provide a standard span of channel for general projects

Simpson Strong-Tie #12 4" Self-Drilling Screw, Hex-Washer Head - 316 Stainless Steel, Qty. 100 Sale - Connectors Drive flush with the woodBuilt to stand up to the harshest environments, the Simpson Strong Tie T12400HDUC Self Drilling Hex Washer Head Screws in 316 stainless steel offer unmatched corrosion resistance for demanding applications. These screws are engineered for fastening into 16 to 12 gauge steel, eliminating the need for pre drilling and streamlining your installation. Whether you're working in coastal construction, wastewater facilities, or any high exposure environment,