0.162 x 4" - Preservative-Treated Wood Decking Nail - 304 Stainless Steel, 5 lb. Bulk Composite Deck Screws this Simpson Strong-Tie F12C250FDM Self-Drilling

this Simpson Strong-Tie F12C250FDM Self-Drilling Flat Head Screw With Wings delivers the performance you expect

helping prevent jamming and stripping while keeping thread action clean and smooth

This structural screw features a flat head with under-head nibs for clean countersinking

The Daggerz #12 x 1-1/4" Self-Drilling Metal Screw with Washer is built for performance in heavy-duty metal-to-metal applications

and preservative-treated lumber applications

0.162 x 4" - Preservative-Treated Wood Decking Nail - 304 Stainless Steel, 5 lb. Bulk Composite Deck Screws this Simpson Strong-Tie F12C250FDM Self-DrillingSimpson wood siding nails are available in either type 304 or type 316 stainless steel. Checker pattern on nail head blends well with wood grain, reduces glare from sunlight and accepts surface finishes. Annular ring shank increases pull out resistance to provide a secure attachment that reduces cupping of siding boards.