4x4 Post Base Brackets, Powder-Coated Steel, 20 Pack

4x4 post base brackets lock wood posts in place for safer, steadier deck, porch, and railing builds. This 20-pack set fits standard 4"x4" posts (actual 3.5" x 3.5") with a 3.6" x 3.6" inner opening, helping reduce wobble while keeping installation straightforward. Heavy-duty carbon steel with a powder-coated finish supports long-term outdoor use on concrete or wood surfaces.

Build with confidence using a post anchor set sized for common lumber and designed for dependable structural support. Whether you’re securing deck posts, porch railings, or a pergola frame, these steel post brackets help keep your layout aligned and your posts firmly seated. With a 20-piece quantity plus installation hardware, you can tackle multi-post projects without piecemeal sourcing. Grab yours today and get your next build ready for a clean, professional install.