0.275" x 10" Strong-Tie SDWH271000SS-R5 Timber-Hex Screw - 316 Stainless Steel, Pkg 5 Large Diameter Masonry Screws Zinc-Plated Protection: Guards against corrosion

Zinc-Plated Protection: Guards against corrosion in indoor or non-corrosive environments

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

Whether you're constructing a new outdoor structure or reinforcing an existing one

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

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

0.275" x 10" Strong-Tie SDWH271000SS-R5 Timber-Hex Screw - 316 Stainless Steel, Pkg 5 Large Diameter Masonry Screws Zinc-Plated Protection: Guards against corrosionSimpson 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.