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

Runs on 220-volt 3-phase power for reliable industrial operation

Heavy concealed-flange design keeps header flanges hidden for cleaner visual lines in exposed framing applications

which offers enhanced corrosion resistance compared to standard carbon steel

Simpson MBHU3

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