Simpson Strong-Tie #12 x 2-1/2" Self-Drilling Screw, Hex-Washer Head - 316 Stainless Steel, Qty. 100 Mass Timber Connectors corrosion-resistant connections for joists and

corrosion-resistant connections for joists and beams in outdoor decks

while deep threads grip tight into pressure-treated wood

non-structural applications

Pre-punched nail holes ensure optimal fastener placement for a secure

Simpson Strong-Tie #12 x 2-1/2" Self-Drilling Screw, Hex-Washer Head - 316 Stainless Steel, Qty. 100 Mass Timber Connectors corrosion-resistant connections for joists andBuilt to stand up to the harshest environments, the Simpson Strong Tie T12250HDUC 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,