Simpson #12 x 2-1/2" Strong-Drive DWP WOOD Screw Flat Head, 316 Stainless Steel PACK:1750 Pk What size header does the

What size header does the Simpson HH4 support

diameter and 4 in

and its uplift loads have been increased to address earthquake or wind loading demands

000 Simpson GDP 1 in

Face-mounting 4x8 nominal wood joists to wood headers

Simpson #12 x 2-1/2" Strong-Drive DWP WOOD Screw Flat Head, 316 Stainless Steel PACK:1750 Pk What size header does theThe Simpson Strong Drive DWP Wood Screw in #12 x 2 1 2", Type 316 Stainless Steel with Flat Head is a load rated structural fastener engineered for demanding exterior applications where corrosion resistance and verified performance data are non negotiable. Designed specifically for decks, docks, boardwalks, and outdoor structures exposed to moisture and corrosive environments, this flat head wood screw delivers the combination of structural integrity