Simpson #14 x 3-1/4" Self-Drilling Flat-Head Screw with Wing, 410 Stainless Steel Air tools Delivers 224 tons of pressure

Delivers 224 tons of pressure for tackling heavy-duty metal bending applications

flush countersinking without surface damage

Total Length (L) 2-1/4"

Set of 14 blades at up to 30% savings - professional performance at a value that makes sense for frequent users

Joist Size: Triple 2x10

Simpson #14 x 3-1/4" Self-Drilling Flat-Head Screw with Wing, 410 Stainless Steel Air tools Delivers 224 tons of pressureSimpson #14 x 3 1 4" Self Drilling Flat Head Screw with Wing in 410 Stainless Steel is engineered for fastening wood, plywood, and fiber cement panels directly to steel framing delivering a clean, flush finish with the structural integrity required in demanding construction applications. The wing tip design and drill point geometry eliminate the need for pre drilling, making this fastener a reliable choice for exterior cladding, structural sheathing,