Simpson #12 x 2-1/2" Self-Drilling Hex-Washer Head Screw, 305 Stainless Steel PACK:1000 Pk creating a keyed mechanical engagement

creating a keyed mechanical engagement for dependable holding power

on-the-fly speed changes to match any material or bit requirement

MPN: BA9-1007122

Designed to run on standard 115-volt single-phase power

Serrated thread design with variable TPI - aggressive thread engagement pulls the fastener down smoothly and increases holding strength in wood substrates

Simpson #12 x 2-1/2" Self-Drilling Hex-Washer Head Screw, 305 Stainless Steel PACK:1000 Pk creating a keyed mechanical engagementSimpson #12 x 2 1 2" Self Drilling Hex Washer Head Screw in 305 Stainless Steel is engineered for reliable fastening in applications where corrosion resistance is critical. Crafted from Type 305 stainless steel, this self drilling screw drives fast and clean into aluminum and fiberglass substrates without requiring a pre drilled pilot hole saving time and reducing steps on the job. The indented hex washer head provides a broad bearing surface and a