ZMAX Galvanization: The G185 ZMAX coating offers extra protection against corrosion
The #3 Square Silicone Metal Roof Pipe Boot with Install Kit is a complete solution for sealing pipe penetrations on metal roofs
Each pre-assembled anchor bolt includes the nut and washer already installed
Stainless steel options – Choose Type 305 or Type 316 for corrosion resistance
High-Low Thread Form – Engineered teeth cut easily into dense materials
0.275" x 6" Strong-Tie SDWH27600SS-R50 Timber-Hex Screw - 316 Stainless Steel, Pkg 50 Stainless Steel Large Diameter Concrete Screws ZMAX Galvanization: The G185 ZMAXSimpson 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.