Simpson #12 x 2-1/2" Self-Drilling Flat-Head Screw with Wing, 410 Stainless Steel PACK:100 Pk reducing wear and minimizing the

reducing wear and minimizing the need for manual oiling during operation

making it practical for a wide range of shop environments

and driver bit

convenient way and table maintenance

Sized to fit a nominal 6x6 post and 4 in

Simpson #12 x 2-1/2" Self-Drilling Flat-Head Screw with Wing, 410 Stainless Steel PACK:100 Pk reducing wear and minimizing theSimpson #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