Simpson #14 x 3-1/2" Strong-Drive DWP WOOD Screw Flat Head, 316 Stainless Steel Retrofit Post Bases upgrading to Type 316 stainless

upgrading to Type 316 stainless steel fasteners provides superior corrosion resistance for those more demanding conditions

Top-Flange Masonry Design: Engineered specifically for concrete and masonry bearing conditions as a top-flange hanger

Tubing dimensions: inner diameter 3/8 inch

Improved tailstock quill locking mechanism incorporates an anti-rotation key for more consistent and reliable locking

Simpson #14 x 3-1/2" Strong-Drive DWP WOOD Screw Flat Head, 316 Stainless Steel Retrofit Post Bases upgrading to Type 316 stainlessThe Simpson Strong Drive DWP Wood Screw in #14 x 3 1 2", Type 316 Stainless Steel with a Flat Head is a load rated structural fastener engineered for demanding exterior applications where both strength and long term corrosion resistance are critical. Designed by Simpson for use on decks, docks, boardwalks, and other outdoor structures exposed to moisture, saltwater, and severe corrosive environments, this screw delivers reliable shear, pull through,