Simpson #14 x 3-1/4" Self-Drilling Flat-Head Screw with Wing, 410 Stainless Steel BVLZ Ledger Connectors and accuracy that ambitious craftsmen

and accuracy that ambitious craftsmen need to push their projects further

While the mechanically galvanized finish meets ASTM B695

The Sure Wall anchor features a sharp self-drilling tip that allows it to penetrate directly into drywall using only a screwdriver

Advantages over traditional anchor bolting: better on-center spacing in most cases

Simpson #14 x 3-1/4" Self-Drilling Flat-Head Screw with Wing, 410 Stainless Steel BVLZ Ledger Connectors and accuracy that ambitious craftsmenModel No. F12C325FD Coating Material. Type 410 Stainless Steel Screw Size. #14 Length (in.) 3 1 4 Head Diameter (in.) 0. 470 Drive Type. #3 Square Head Type. Flat Head Shank Type. Shank Slot Thread Type. Machine Threads Thread Length (in.) Full TPI. 20 Max. Grip Length (in.) 3. 100 Point Type. Drill Point with Wings Point Size. 4 Use this screw for securing wood, plywood and fiber cement to steel (up to 0. 209" thick). Wings bore through wood to