Simpson 0.275 x 4" Strong-Drive SDWH TIMBER-HEX Stainless Steel Screw PACK:100 Pk Zinc-Plated Duplex Head Anchor by

Zinc-Plated Duplex Head Anchor by Simpson Strong-Tie is an easy-to-install expansion anchor engineered for use in concrete and grout-filled block

Pin-Drive Expansion Anchor is engineered by Simpson Strong-Tie for medium- and heavy-duty fastening applications into concrete

5ASS resist both lateral and uplift loads

Engineered by Simpson for coastal

Simpson 0.275 x 4" Strong-Drive SDWH TIMBER-HEX Stainless Steel Screw PACK:100 Pk Zinc-Plated Duplex Head Anchor bySimpson Strong Drive SDWH TIMBER HEX Stainless Steel Screw (0. 275" x 4") by Simpson is a structural hex head fastener engineered as a direct replacement for traditional lag screws in wood framing and ledger applications. Constructed from Type 316 stainless steel, this heavy duty structural screw delivers maximum corrosion resistance in demanding outdoor, coastal, and chemically exposed environments making it a reliable choice wherever long term