Enhance your outdoor and indoor projects with this set of six 4x4 post bases, expertly crafted from Q235B steel and finished with a black powder coating for superior durability and corrosion resistance. Each post bracket features an inner size of 3.6 inches by 3.6 inches, perfectly fitting standard 4x4 dry wooden columns, while the base measures 5.9 inches long, 3.78 inches wide, and 5.5 inches high for stable, secure support. The innovative design includes a small square column at the bottom to elevate posts and prevent moisture damage, extending the life of your deck, porch, or fence. Ideal for deck railings, handrails, pergolas, mailbox posts, and more, this set includes all necessary hardware—wrench, expansion bolts, and self-tapping screws—for easy installation on both wood and
This 4x4 post base is constructed from high-strength Q235B steel with a black powder-coated finish, delivering exceptional durability, corrosion resistance, and reliable performance for both indoor and outdoor applications, ensuring your structural projects remain sturdy and protected over time.
The inner size of each post bracket measures 3.6 inches by 3.6 inches, making it a perfect fit for standard 4x4 dry wooden columns, while the base dimensions are 5.9 inches in length, 3.78 inches in width, and 5.5 inches in height to provide optimal support and stability for your construction needs.
A specially designed small square column at the bottom of the post base elevates the wooden post above the ground, which helps prevent direct contact with moisture, reduces rainwater corrosion, and significantly extends the lifespan and safety of your deck, porch, or fencing structures.
This heavy-duty post anchor is highly versatile and suitable for a wide range of uses, including securing deck railings, porch handrails, fencing posts, pergola supports, mailbox posts, and grating columns, making it an essential component for residential and commercial projects alike.
Installation is straightforward and efficient thanks to the included wrench, 24 expansion bolts, 24 external hexagon internal cross self-tapping screws, and 48 self-tapping screws, allowing you to firmly fix the post base to either wooden or concrete floors as your project requires.
Each set contains six post bases with all necessary hardware, making it convenient for large-scale construction or renovation tasks, and the robust welded steel structure ensures long-term reliability and strength even in demanding outdoor environments.
