Simpson #12 x 2-1/2" Self-Drilling Flat-Head Screw with Wing, 410 Stainless Steel Combination Mill Drill Lathe 5HDG Column Cap

5HDG Column Cap

Stronger than angled nailing or screw fastening - delivers a more secure structural connection

Simpson MBHU3

which offers enhanced corrosion resistance compared to standard carbon steel

Simpson #12 x 2-1/2" Self-Drilling Flat-Head Screw with Wing, 410 Stainless Steel Combination Mill Drill Lathe 5HDG Column CapSimpson #12 x 2 1 2" Self Drilling Flat Head Screw with Wing in 410 Stainless Steel is a precision engineered fastener from Simpson designed for attaching wood, plywood, and fiber cement to steel substrates up to 0. 209" thick. The winged drill point bores a clean clearance hole through the wood layer so the workpiece stays flush against the steel rather than riding up the shank then the wings snap off cleanly as the point contacts the steel, letting