Simpson #12 x 5" Strong-Drive DWP WOOD Screw Flat Head, 305 Stainless Steel CBSTQ Column Base - Quick-Install If your project is located

If your project is located near the ocean or in a high-salinity environment

this is a single versatile fastener that works across a wide range of project conditions without needing a specialty alternative

315" structural diameter

making this nail a dependable choice for seaside decks

Simpson #12 x 5" Strong-Drive DWP WOOD Screw Flat Head, 305 Stainless Steel CBSTQ Column Base - Quick-Install If your project is locatedThe Simpson Strong Drive DWP Wood Screw in #12 x 5" with Type 305 Stainless Steel finish is a heavy duty, load rated structural fastener engineered for exterior wood connections where corrosion resistance and reliable holding strength are non negotiable. Designed specifically for demanding outdoor environments such as decks, docks, boardwalks, and similar structures exposed to moisture or corrosive conditions, this flat head screw delivers both the