Simpson #10 x 2-3/4" Red 01, Deck-Drive DCU Composite Screw, 305 Stainless Steel PACK:350 Pk Why is ZMAX galvanization specified

Why is ZMAX galvanization specified for this post base

Installations where a low-profile fastener is preferred over standard through bolts

As the anchor is driven into a pre-drilled hole

Compatible with all major cement backerboards including HardieBacker

Simpson #10 x 2-3/4" Red 01, Deck-Drive DCU Composite Screw, 305 Stainless Steel PACK:350 Pk Why is ZMAX galvanization specifiedThe Simpson Deck Drive DCU Composite Screw in #10 x 2 3 4" with a Red 01 color matching painted head is a purpose built fastening solution for composite and PVC decking installations. Crafted from Type 305 stainless steel, this deck screw delivers outstanding corrosion resistance, making it especially well suited for environments exposed to chlorides, moisture, and the demanding conditions of outdoor deck construction. The engineered design combines a