The Best 4×4 deck post brackets of 2022 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best 4×4 deck post brackets of 2022. Check our ranking below.
2,773 Reviews Scanned
Rank No. #1
4x4 Post Base 10 Pcs, Inner Size 3.7"x3.7", Heavy Duty Powder-Coated, for Deck Railing Support Deck Base
- Material Of 4x4 Post Base: Each individual post base measures 2.46x6.0x6.0in, with a quantity of 10 pieces. Internal size is 3.7 x 3.7", more suitable for installation of 4x4 standard wood posts than 3.6 x 3.6".
- Install Accessories Upgrade: 40 x Expansion plugs, 40 x 3-1/8" stainless steel self-tapping screws, 80 x 1-1/4" stainless steel self-tapping screws are supplied. They are enough to fix the post base.
- Robust and Durable: The base of the connectors is made from Solid steel material with a wall thickness of 0.08 inches / 2mm, ensuring durability and resistance to deformation. They are coated with a spray coating for corrosion resistance and rust prevention, ensuring a long lifespan.
- Deck Post Base: The post bracket’s internal size is 3.7 x 3.7", which is is used for 4x4 standard wood posts. The standard size can ensure that the deck post will be fixed firmly. Before chosing our post base, please confirm that the size of post is correct.
- Wide Application: The post base bracket not only suitable for post support bracket, porch railing support, fence post base, hand rails support, etc, but also suitable for many scene such as home, garden, farm, etc.
Rank No. #2
AXWHYS 4x4 Post Base 4 Pcs, (Inner Size 3.6x3.6) Post Anchors, 13GA Thick Solid Steel & Black Powder Coated,Deck Post Brackets Support Deck Base Plate Pergola Brackets Fence Kit Mailbox Mount
- Material Of 4x4 Post Base: Made of Solid Steel, Black Powder Coated, Rustproof and Strong.
- Deck Post Base： Used to support porch railings, pergolas, gazebos, fences, deck brackets, post brackets and mailbox post brackets.
- Unique design: There is a partition at the bottom of the 4x4 post base, which is designed to be completely separated from the ground. Long term use will not cause the wood to rot due to rain. There is a small square box in the middle of base to make it more stable
- Screws & Anchors Supplied : A wrench. 24 x expansion anchors for concrete floors, 24 socket head wood screws for wood floors, 32 Phillips head self-tapping screws for 4x4 post fixation.All screws are inserted inside the base.
- After Sales---If you have any installation questions or other problems. Feel free to contact us.
SaleRank No. #3
Muzata 4Pack 4"×4" Wood Post Plate Connector Deck Post Base Plate Wood Fence Deck Porch Railing Support Base Black WT08
- Protect Post Base: Designed for 3.5" to 4" wood post, this deck railing connector can be used to install wooden post on wood or concrete floor to protect the bottom of wood post or railing. The connector has five holes drilled in the center to increase the stability of the post while the surrounding four holes are designed to fix the wood post to the ground
- Easy to Install: We have prepared self-tapping wood screws and T30 drill bits in the package to help you install the connector easily. More detailed installation steps, please refer to our installation diagram or video. For concrete floor, we recommend using M8 expansion screws
- High Quality: Muzata deck railing connector bracket is made of 45 steel(1045) and the connector surface is treated with black powder-coated finish, which has the performance of rust resistance and corrosion resistance, UV-protection. It is not easy to fade and can be used indoors and outdoors
- Wood Railing System: You might need several wood railing kits to build a complete frame to enrich your deck railing system. Please search Muzata WT01 for 36" round aluminum balusters, WT02 for 26" round aluminum balusters, WT03 for s-shaped scroll balusters, WT04 for single-basket balusters, WT05 for double-basket balusters, WT06 for aluminum post caps, WT09 for one-piece post base, WT11 for deck railing bracket, WT24 for split style post skirt
Rank No. #4
Insaga Decorative 4x4 Post Base, 4x4 Post Bracket (Inner Size 3.6" x 3.6"), Black Powder Coated Deck Railing Bracket, 4x4 Brackets for Wood Posts, Deck Post Support (Set of 4)
- Aesthetic Design: Insaga 4x4 deck post base with stylish pattern design not only the good connection of the concrete or cement ground to wooden posts,holder or beams, but also as post base to decorate your pergola/gazebo/fence,porch handrail post, deck railing,mailbox the like, make it more beautiful;
- High-Quality Material: The material of 4x4 post base for concrete made of thickness 2mm steel square struction and 4mm for the base, the metal surface cover with black powder coating for long lasting;
- Wood Fence Post Anchor Base: There are 3 screw holes on each side of the post base to fix the wooden post to make it more stable and sturdy, and 4 drainage holes at the bottom to prevent water from pooling causing rust and rot;
- Specification: Item size is 6''x6''x5'' ( inner size is 3.6''x3.6''), fit for actual 3.5"x 3.5" dry post on market, come with 24pcs of wooden screws and 16pcs of Expansion bolts;
- Easy To Install: Put the post base on concrete or cement surface to positioning it, pre-drill 10mm holes on concrete or cement ground for expansion bolts to install, and put the wooden post (Actual size 3.5x3.5'') into it, then fix the wood with screws.
SaleRank No. #5
FMhotu 4x4 Post Base 2Pcs, Internal 3.6"x3.6" Heavy Duty Powder-Coated Steel Post Bracket Fit for 4x4 Standard Wood Post Anchor, Decking Post Base for Deck Porch Handrail Railing Support with Screws
- 【Sturdy Post Base】The post base adopts the 2mm thick steel plate powder coating process, which can keep the post from corrosion. The solid steel material provides strong support for the post anchor and can effectively improve the service life of the post anchor. This deck post base has a bright black appearance and more texture than others. The curved appearance is more decorative than the ordinary upright wooden post base
- 【Size】Outer Size: 6x3.6"; Inner size: 3.6"x 3.6"; Height:2.46" Quantity: 2 Pcs. The post base is suitable for wooden posts with the standard size of 4" x 4" (actual 3.6"x 3.6" in the market). Depending on the type of post base and minor dimensional errors, grinding/dressing may be required. Please confirm the size of the wooden post before you buy it
- 【Easy to Install】It's easy to Install the post base and convenient to use. Each post base has four holes at the bottom and eight holes at the top to make it more firmly fixed. There is no complicated installation process for this post base, so you only need to install the deck base brackets by fastening the screws
- 【Wide Use】The post anchor base is specially designed for many places that need to anchor wood posts. It is great for deck supports, porch railings, handrails, fences, benches, and mailbox posts. The post anchor base is a perfect decoration for many scenes such as doorways, gardens, courtyards, porches, etc
- 【Package List】FMhotu post base x 2, User manual x 1, Expansion Pipes x 8, Self-tapping Screws x 24. We provide the required screws so you don't need to buy additional. accessories
Rank No. #6
SPACEEUP 4x4 Post Base 2 Pcs, Inner Size 3.6"x3.6" Deck Post Base, Heavy Duty Powder-Coated Post Anchor Black Wood Post Brackets for Decking Porch Railing Support
- FIRM AND STEADY: Item size: 6.4x3.6x5.4"(LxWxH); Quantity: 2 Pcs; The deck post base is made of 2.1 mm thick steel, plated with black powder. It can prevent the post anchor from rusting and it's stable enough to support the bottom of the post. Long service life.
- 4x4 POST BASE: Inner diameter of the post bracket is 3.6x3.6 inches. The post base is used for 4x4 wood posts (actual 3.5"x3.5" dry post on market). Attention: Before you buy it, please confirm the size of wood post.
- EASY TO INSTALL: Concise manual is offered. Each post base bracket is pre-holed. You can easily use the bolts and screws we provided to install the 4x4 brackets in concrete with 0. 5" diameter anchors in a few minutes.
- ADEQUATE ACCESSORIES: A wrench, 8 x 3/8 Expansion Bolt and 16 x Self-tapping Screws are supplied. They are enough to fix the post base. So you do not need to buy other accessories.
- APPLICABLE SCENARIOS: Our post bases are specially designed to support porches, pavilions, decks, mailboxes, fences and railings etc. Their solid quality can do what they can do.
Rank No. #7
YVHFWOY 4x4 Post Base, Post Brackets(Inner Size 3.6"x3.6")，Black Powder Coated Heavy Thick Steel Post Anchor for Deck Porch Handrail Fence Plate Pergola Support(8 PCS)…
- [Superior Quality Materials] The 4X4 post bracket is made of Q235B steel , high-strength welded structure, black outdoor powder coating, solid and durable, anti-corrosion and rust prevention.
- [Standard 4x4 Post Base] Base size: 5.9 inches (length) x 3.78 inches (width) x 5.5 inches (height), inner diameter is 3.6 inches x 3.6 inches, used to install 4*4 dry wooden columns.
- [Enhanced Stability] A small square column is designed at the bottom of our post base,raise the bottom partition so that the wooden posts do not touch the ground, protect them from rainwater corrosion, prolong the service time and increase safety.
- [Wide Range of Applications] The deck post base support is very suitable for fixing deck and porch railings, fences,grating columns, pergolas,mailboxes post.
- [Easy To Install] Provide a simple installation manual. The accessories include 1 wrench, 32 expansion bolts, 32 external hexagon internal cross self tapping screws and 64 self tapping screws. You can firmly fix the post base on the wooden floor or concrete floor as required.
SaleRank No. #8
4x4 Post Base (Set of 4), Adjustable Heavy-Duty 4x4 Post Brackets for Wood Posts, Powder-Coated Steel Anchors for Deck, Pergola, Fence or Mailbox – Black Rust-Resistant Outdoor Support
- 【Reinforced Carbon Steel Construction】 Crafted from heavy-duty carbon steel, this 4x4 post base delivers superior strength and long-lasting durability. Its 0.053" thick plate ensures solid support for your pergola, deck, or fence—even in high-stress environments.
- 【Adjustable Fit for Standard 4x4 Posts】 Fits wood posts with actual dimensions of 3.5"–4" (inner size: 3.6"x3.6") for a secure, snug fit. Whether you’re anchoring a fence, mailbox, or pergola bracket, this bracket adapts to your build perfectly.
- 【Stabilized Base with Secure Mounting】 The wide base and reinforced screw holes offer enhanced load-bearing performance and reduce shifting. Included screws and expansion bolts let you firmly install on both concrete and wood surfaces.
- 【All-In-One Installation Kit Included】 Skip the hardware store—our post base comes with everything you need: screws, expansion bolts, washers, and even a wrench. Quick alignment and installation saves time and effort.
- 【Versatile for Outdoor & Structural Projects】 From patios to pergolas, from railings to 4x4 post brackets for decks, this rust-resistant anchor is designed to withstand outdoor elements and provide long-term support for your wood structures.
Rank No. #9
6 PCS Metal 4×4 Post Base Post Base Brackets,Inner Size 3.5"x3.5" Heavy Duty Powder-Coated Post Anchor Matte Black Wood Post Brackets (Black 6pcs)
- ☮[Durable and Sturdy Construction]: Our metal post bases are crafted from high-quality materials, ensuring exceptional durability and sturdiness. They are designed to provide reliable support for various projects, from decking and fencing to pergolas and more.
- ☮[Easy Installation]: Installing our metal post bases is a breeze! With user-friendly instructions included, you can quickly and effortlessly secure your posts in place. Whether you're a seasoned DIYer or a first-time user, our product makes the process hassle-free.
- ☮[Versatile Design]: Our metal post bases offer incredible versatility. They are engineered to fit a wide range of post sizes, making them perfect for various applications. You can use them with confidence for both square and round posts, providing flexibility for all your construction needs.
- ☮[Corrosion Resistance for Longevity]: Designed for outdoor use, our metal post bases are equipped with exceptional corrosion resistance. This ensures they can withstand the elements and maintain their structural integrity, offering years of reliable service without compromising on quality.
- ☮[Sleek and Professional Appearance]: Enhance the aesthetics of your projects with our sleek and professional-looking metal post bases. Whether you're building a deck, a fence, or any other structure, our bases add a polished touch to the overall appearance.
SaleRank No. #10
Bazeiona 4x4 Post Base 4Pcs Wood Fence Post Bracket Anchor Base Brackets Deck Post Base for Pergola Railing Mailbox Deck (Inner Size 3.6x3.6)
- Sturdy Post Base: The post base adopts the 2mm thick steel plate powder coating process, which can keep the post from corrosion. The solid steel material provides strong support for the post anchor and can effectively improve the service life of the post anchor. This deck post base has a bright black appearance and more texture than others. The curved appearance is more decorative than the ordinary upright wooden post base
- 4x4 Post Base: 4x4 Post bracket Size: L5.6 "x W3.8"x H5.5". Used to install 4x4 dry wooden columns.(actual 3.6"x 3.6" dry post on market) Deck post bracket protect them from rainwater corrosion, prolong the service time and increase safety. Please check the size you need before purchasing
- Wide Use: The post anchor base is specially designed for many places that need to anchor wood posts. It is great for deck supports, porch railings, handrails, fences, benches, and mailbox posts. The post anchor base is a perfect decoration for many scenes such as doorways, gardens, courtyards, porches, etc
- Easy to Install: It's easy to Install the post base and convenient to use. Each post base has four holes at the bottom and eight holes at the top to make it more firmly fixed. There is no complicated installation process for this post base, so you only need to install the deck base brackets by fastening the screws
- Durable Materials: Post bracket made of solid steel, high-strength welded structure ensures the durability and stability of your deck or porch railings, black outdoor powder coating, It can prevent the post anchor from rusting, which is stable enough to support the bottom of the post and improve its service life
Last update on 2025-06-06 / Affiliate links / Images from Amazon Product Advertising API
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