Simpson Strong-Tie #12 4" Self-Drilling Screw, Hex-Washer Head - 316 Stainless Steel, Qty. 100 Decking Nails and coupling nuts

and coupling nuts

Hex Washer Head: Strong drive with flush appearance and high clamping power

these screws also enhance the look of your project by blending with wood tones

Tighten the included nut to secure the rod

Simpson Strong-Tie #12 4" Self-Drilling Screw, Hex-Washer Head - 316 Stainless Steel, Qty. 100 Decking Nails and coupling nutsBuilt 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,