0.275" x 10" Strong-Tie SDWH271000SS-R5 Timber-Hex Screw - 316 Stainless Steel, Pkg 5 Large Diameter Masonry Screws Made from hardened 410 stainless

Made from hardened 410 stainless steel

plywood and wood-substitute materials in applications exposed to harsh marine or many chemically caustic conditions

5-inch diameter lally columns and 7 LVL/PSL/LSL girders

Whether you're suspending electrical conduit

They feature a large washer head for exceptional holding power and a bold thread design that bites quickly into wood

0.275" x 10" Strong-Tie SDWH271000SS-R5 Timber-Hex Screw - 316 Stainless Steel, Pkg 5 Large Diameter Masonry Screws Made from hardened 410 stainlessSimpson 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.