Building a retaining wall? Stacking landscape timbers? Framing a barn? You need a nail long enough to bite deep into thick lumber. At 4 inches, these nails punch through a 4x4 (actual 3.5 inches) and keep going. The thick shank won't bend when you hit a knot. The hot-dipped galvanized coating laughs at moisture and ground contact. When the lumber gets thick, get 4-inch nails

4" x 20d Common Nails – Heavy-Structural Fasteners for Timber & Landscape Construction

1. Length: 4 inches (101.6mm)
2. Pennyweight: 20d (twenty-penny)
3. Gauge: 8 (common) or 9 (box)
4. Head Type: Full flat round head – 5/16" diameter
5. Point Type: Diamond-point for easy starting in hardwoods
6. Shank Options: Smooth or ring-shank
7. Material: Hot-dipped galvanized (G185 – exterior/ground contact) or bright (interior)
8. Quantity: 250, 500, or 1,000 bulk packs

*Ideal for: Landscape timber retaining walls, 4x4 posts, beam-to-post connections, heavy timber framing, pallet and crate construction, and multi-ply 2x assemblies.*