0.275" x 5" Strong-Tie SDWH27500SS-R50 Timber-Hex Screw - 316 Stainless Steel, Pkg 50 410 Stainless Steel Concrete Screws giving it excellent corrosion resistance

giving it excellent corrosion resistance that stands up to the harshest outdoor conditions

Large Washer Head – Provides a broad bearing surface that increases pull-through resistance and clamping force

Its precision-engineered face-mount design ensures secure joist support while offering enhanced protection against long-term environmental exposure

WSHL Subfloor Screws

For use with engineered wood I-joists only

0.275" x 5" Strong-Tie SDWH27500SS-R50 Timber-Hex Screw - 316 Stainless Steel, Pkg 50 410 Stainless Steel Concrete Screws giving it excellent corrosion resistanceSimpson Strong Tie SDWH Timber Hex Stainless Steel Screws are built for serious holding power in your toughest wood to wood connections. Whether you're reinforcing a raised garden bed, building a retaining wall, or upgrading a deck frame, these screws make structural projects easier and more durable, no predrilling required. Crafted from 316 stainless steel, they deliver outstanding corrosion resistance that stands up to rain, snow, and salty air.