Top 10 Best 6x6 post base in 2026

Last Updated - 6/6/2026

🏆Best Choice

VEVOR

VEVOR 6x6 Post Base 4 Pcs, Inner Size 5.6"x5.6" Post Base Brackets, Heavy Duty Powder-Coated Post Anchor Matte Black Wood Post Brackets for Pavilion Deck Railing Support Deck Base Plate

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Sturdy Support: Each individual post base measures 8.4x5.7x5.5in/214x146x140mm, with a quantity of 4 pieces. The inner dimensions of the column base are 5.6''x5.6''/142x142mm. Recommended for use with 5.5''x5.5'' columns, these connectors feature a full wrap structure design, providing secure and effective support without wobbling.
•Robust and Durable: The base of the connectors is made from carbon 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.
•Easy Installation: You can quickly install them following the user manual, using a drill for making holes. The product comes with screw holes for convenient and time-saving installation
•Complete Set Of Accessories: The kit includes a complete set of accessories: Dovetail Screws M525 (36pcs), Thin Wrench M8 Open-End 14 (1pc), Serrated Sleeves M8 (18pcs), Self-Tapping Screws M860 (18pcs). Installation is straightforward and hassle-free.
•Wide Range of Uses: The versatile screws are suitable for both concrete and wooden floor installations, making them ideal for use in pergolas, porch railings, columns, and other structures where they provide secure support.

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$38.99

$44.99

-13%

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AXWHYS

AXWHYS 6x6 Post Base 4 Pcs, (Inner Size 5.6x5.6) Post Anchors, 13GA Thick Solid Steel & Black Powder Coated,Deck Post Brackets Support Deck Base Plate Pergola Brackets Fence Kit

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Material Of 6x6 Post Base: Made of Solid Steel, Black Powder Coated, Rustproof and Strong.
•Deck Post Base： Used to support porch railings, pergolas, fences, deck brackets, post brackets and mailbox post brackets.
•Unique design: There is a partition at the bottom of the 6x6 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.

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$63.99

$69.99

-9%

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Ozco

Ozco Ironwood Lite 6x6 Post Base Kit, Includes 1 Post Base Plate, 4 Decorative Plates, 8 Hex Cap Nuts, OWT Timber Screws, Galvanized Steel for Pergolas | 52108

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Robust Construction: This post base features 3/16-inch thick hot dipped galvanized and powder coated steel, ensuring durability and resistance to weathering, making it ideal for your pergolas, decks, and other outdoor structures
•Versatile Compatibility: Designed to fit standard 6x6-inch posts, this deck post base provides a secure fit for your veranda posts, pavilions, and arbors
•Comprehensive Hardware Kit: This post base includes all necessary hardware: 1 post base plate, 4 decorative plates, 8 hex cap nuts, and 8 (2-3/4") OWT timber screws, ensuring a complete setup for your fence post installations
•Elevated Base Design: The raised base design keeps wood posts elevated from ground contact, enhancing longevity by preventing moisture damage, making it perfect for wood deck applications
•Ideal for Various Structures: Recommended for pergolas, decks, verandas, and more, this post anchor is an excellent choice for creating sturdy and reliable outdoor structures, compatible with post brackets for wood posts

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$42.55

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vikofan

vikofan 10 Pack 6x6 Post Base for Concrete – Actual 5.5"x5.5" Wood – Heavy Duty Electro-Galvanized Brackets for Deck, Pergola, Fence – DIY Bolt-Down Rust-Resistant Anchors

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•No Cutting – Built for Actual 5.5”x5.5” Posts. Fits nominal 6x6 wood from common home improvement retailers without trimming. A perfect match for fast, stable installs on decks, fences, pergolas, and even mailbox posts.
•Bolt-Down & DIY Ready – Fast, Frustration-Free. Pre-drilled oval slots make alignment easy, even on uneven slabs or old concrete. Install in minutes—no pro tools required.
•All-Season Rust Shield – Built to Last Outdoors. Electro-galvanized coating shields from rust, rain, and snow. Tested to last—whether it’s humid summer or icy winter, it holds up.
•2mm Galvanized Steel – Strong Enough for Backyard Life. Holds over 5,000 lbs with confidence. Handles swings, planters, and weekend parties like a champ—it’s built to handle it all.
•Raised 1” Base – Keeps Wood Dry & Rot-Free. 1 inch standoff above ground to protect wood from moisture year-round. Ideal for patio slabs, fence corners, or pergola legs—no rot, no stress.

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$89.00

$109.99

-19%

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DWALE

6X 6 Post Base 2 PCS,Inner Size 5.6"x5.6"Deck Post Base,Heavy Duty Metal Black Powder Coated Post Brackets,for Pavilion Deck Railing Support Deck Base Plate, Support Bolt Down (2PCS)

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•【STRONG AND STURDY】-Made from 14 gauge steel,black powder-coat for rust-resistant and sturdy enough,Product Size: 8.5 x 5.6x 5.6",Quantity: 2 PCS.
•【EASY INSTALLATION】-It allows easy installation on 6x6 wood posts on existing concrete.on existing concrete with 3/8-Inch diameter anchors, wood post are NOT included.
•【SCREWS & ANCHORS SUPPLIED】- The comprehensive accessories contain a wrench, 8 sets of 3/8 expansion bolts, and 16 sets of self-tapping screws. It can be used to fix the bracket on a wooden or concrete floor firmly.
•【ALL AROUND USE】-It can be used for decking handrails, pergolas, signs, mailboxes, & garden fences,deck brackets.It would help your fences look sturdy and durable while avoiding breakages.
•【NOTE 】-Post bases do not provide adequate resistance to prevent rotation about the base and therefore are not recommended for non-top-supported installations such as fences or unbraced carports

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$28.99

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VEVOR

VEVOR 6"x 6" Post Base, 10Pcs Stainless Steel Adjustable Post Anchor Bracket(Internal 5.9 x 5.5"), Adjustable Post Base for Pavilion Deck Porch Handrail Railing Support Decorative Anchor Plate

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Sturdy Support: Each individual product measures 5.9x5.6x6.3 in/149x143x160 mm, with a quantity of 10 pieces. The inner dimensions of the column base are 5.5''x5.9''. Designed for use with 6x6 inch columns available in the market, these connectors provide secure and stable support without wobbling.
•Durable and Robust: The connectors' bases are made of stainless steel material with a thickness of 0.07 inches (1.8mm), ensuring durability and resistance to deformation. They feature a brushed finish for corrosion resistance and rust prevention, ensuring a long lifespan.
•Easy Installation: Quick and hassle-free installation can be done following the user manual, using a drill for making holes. The product comes with pre-made screw holes for convenient and time-saving installation
•Complete Set Of Accessories: The kit includes a complete set of accessories: Stainless Steel Expansion Screw M880 (2pcs), Stainless Steel M6160 Hex Bolts (2pcs), Stainless Steel M6 Nuts (2pcs), Stainless Steel Self-tapping Half Round Head Screws M429 (12pcs), Cross Wrench with Triangular Handle 53070 (1pcs), Thin Open-end Wrench 13.5-10 (1pcs), Baijie Cloth Braided Cloth 7070*1 (1pcs). Installation is now even more convenient.
•Versatile Use: The connector's base can be installed on various surfaces, making it suitable for widespread use in settings such as porch railings, pergolas, and columns, providing secure support.

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$80.90

$94.99

-15%

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YanTuo

6 pcs 6x6 Post Anchor Base Adjustable Wood Post Brackets, Metal Post Base Holder for Concrete for Deck Patio/Gazebo/Pergola

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•1" Standoff: 6x6 post anchors raise wood posts 1" above the concrete to help prevent rot at the end of the post and improve ventilation and drainage. Extends the life of wood posts
•Stable and reliable: 6x6 post base anchors secure wood posts to existing concrete for decks, patios, gazebos and other top support structures
•Corrosion Resistant: Post bracket is made of high quality steel with galvanized coating, which makes the product less prone to rust when used outdoors and prolongs the service life of the pillar base
•For 6x6 Wood Post: The 6x6 post base fits standard size 6“ x 6” (actual size on the market is 5.5“ x 5.5”) posts, the slots on the bottom of the post base are designed to allow for easy positioning and alignment of the wooden post
•Package: Includes 6 pcs 6x6 concrete deck post anchor base (Not included screws)

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$62.90

$69.90

-10%

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eoere

eoere 2 PCS 6x6 Post Base, Heavy Duty Steel Fence Post Base, Anchor Deck Supports Porch Railing Holders, Inner Size 5-1/2" for 6x6 Nominal Lumber, Thickness 5/32"(8 Gauge)

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Deck Base Fence Post Anchor, for 6x6 Nominal Lumber(Actual Inner Size 5-1/2")
•Material: Heavy Duty Steel, Surface Treatment: Black Powder Coated
•8 Gauge Steel, Thickness 5/32"(4.2mm)
•8 Bolt Mounting Holes: Ø1/2"(13mm), Fit 1/2" Anchor Bolts
•Anti-corrosion, wear resistance, anti-rust. Smooth surface and edges without burrs. Suitable for indoors/outdoors

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$60.89

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Lonsge

1 PCS 6x6 Post Base for Concrete, Adjustable Aluminum-zinc Plated Steel Deck Post Anchor Base for 5.5x5.5 Wood, Post Base Holder with 1" Standoff for Deck Gazebo Pergola Porch（Includes Screws

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•【Upgrade Kit】After researching the users of 6x6 post base and market, we found that the dimension of the centre hole of the post base galvanized is easy to limit the size of the centre anchor,so we expanded the centre hole of the 6x6 base from 10mm wide to 16mm (0.63 in), and the length from 30mm to 50mm (1.96 in).The changed galvanized post base is perfectly fit j-bolts and most bolts.The perfect solution to the trouble of mismatched screws ！
•【Elaborate Design】The 6x6 deck post anchor Base for 5.5x5.5" Wood, elevated 1" above the concrete to keep the bottom of the deck post anchor base better ventilated, maximizing wood dryness, which reduces erosion and damage to the wood from ground soil and reduces stake consumption.Meanwhile, the 1-foot hollow design of the deck post anchor base makes it easier to check whether the screws are loose, improves safety and reduces the risk of malfunction
•【Corrosion-resistant Coating】The 6x6 concrete post anchor are selected with high quality aluminized zinc steel plate, which forms a dense oxidized anti-corrosion coating film that can effectively protect the post base from corrosion and erosion in the atmosphere, water and soil. At the same time, the zinc layer has a high hardness, which improves the wear resistance of the steel, reduces surface of galvanized post base damage and scratches, and prolongs the service life of the 6x6 post base
•【Safe and Secure】The 6x6 post anchor base is used to securely fasten wood posts to concrete to form a complete support system, specialized for use in the construction of decks, patios, gazebos or pergolas.Compared to the 4x4 inch post anchor base, the diameter of the adapted stake post is larger, which can support twice the weight of the frame. The bottom of the post is more stable, fixed and wind-resistant
•【Considerate Design】Compared to traditional post base, the post base is made of thickened 0.06 inches aluminum-zinc plated material, which is strong and durable.Post Base kit includes 10 PCS 6x 6's post base and matching size 304 stainless steel flange Phillips 3D Power Screws, No additional purchase required! A purchase can be used directly, reducing the need to buy separate screws and a series of trouble, time-saving and convenient
•【100% No-risk Purchase】If you receive any problems with our 6x6 post base for Concrete, you can get a 𝗳𝘂𝗹𝗹 𝗿𝗲𝗳𝘂𝗻𝗱 or 𝗮 𝗻𝗲𝘄 𝘀𝗲𝘁 𝗼𝗳 post base 𝗳𝗼𝗿 𝗳𝗿𝗲𝗲! Please feel free to 𝗰𝗼𝗻𝘁𝗮𝗰𝘁 𝘂𝘀 if you have any questions during use. Customer satisfaction is our tireless pursuit.💝𝐅𝐨𝐫 𝐚𝐧𝐲 𝐫𝐞𝐚𝐬𝐨𝐧 𝐲𝐨𝐮'𝐫𝐞 𝐧𝐨𝐭 𝐜𝐨𝐦𝐩𝐥𝐞𝐭𝐞𝐥𝐲 𝐬𝐚𝐭𝐢𝐬𝐟𝐢𝐞𝐝,𝐏𝐥𝐬 𝐥𝐞𝐭 𝐮𝐬 𝐤𝐧𝐨𝐰 𝐚𝐧𝐝 𝐰𝐞'𝐥𝐥 𝐫𝐞𝐩𝐥𝐚𝐜𝐞 𝐨𝐫 𝐫𝐞𝐟𝐮𝐧𝐝 𝐲𝐨𝐮𝐫 𝐩𝐫𝐨𝐝𝐮𝐜𝐭. 𝐒𝐨 𝐛𝐮𝐲 𝐢𝐭 𝐰𝐢𝐭𝐡 𝐜𝐨𝐧𝐟𝐢𝐝𝐞𝐧𝐜𝐞!
•💝𝐅𝐨𝐫 𝐚𝐧𝐲 𝐫𝐞𝐚𝐬𝐨𝐧 𝐲𝐨𝐮'𝐫𝐞 𝐧𝐨𝐭 𝐜𝐨𝐦𝐩𝐥𝐞𝐭𝐞𝐥𝐲 𝐬𝐚𝐭𝐢𝐬𝐟𝐢𝐞𝐝,𝐏𝐥𝐬 𝐥𝐞𝐭 𝐮𝐬 𝐤𝐧𝐨𝐰 𝐚𝐧𝐝 𝐰𝐞'𝐥𝐥 𝐫𝐞𝐩𝐥𝐚𝐜𝐞 𝐨𝐫 𝐫𝐞𝐟𝐮𝐧𝐝 𝐲𝐨𝐮𝐫 𝐩𝐫𝐨𝐝𝐮𝐜𝐭. 𝐒𝐨 𝐛𝐮𝐲 𝐢𝐭 𝐰𝐢𝐭𝐡 𝐜𝐨𝐧𝐟𝐢𝐝𝐞𝐧𝐜𝐞!

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$16.99

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EONECROSS

EONECROSS 10PCS 6x6 Post Base for Concrete Heavy Duty Black E-Coated 6x6 Post Bracket Anchor Adjustable Base with 1" Standoff for Deck Pergola Patio Gazebo Porch (Included Screws)

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•𝐌𝐨𝐫𝐞 𝐒𝐭𝐮𝐫𝐝𝐲: Our 6x6 post base (actual inner size : 5.5” x 5.5”) is made of high-quality steel,ensuring secure fixation to concrete.Designed for stability,it provides safe and robust support for wooden posts,effectively eliminating wobbling.
•𝐂𝐨𝐫𝐫𝐨𝐬𝐢𝐨𝐧-𝐫𝐞𝐬𝐢𝐬𝐭𝐚𝐧𝐭 𝐄-𝐜𝐨𝐚𝐭𝐢𝐧𝐠: Each 6x6 post bracket is coated with black e-coating and galvanization, providing superior corrosion resistance and rust prevention.This dual-layer protection ensures a long lifespan while significantly reducing maintenance and replacement frequency.
•𝐔𝐧𝐢𝐪𝐮𝐞 𝐃𝐞𝐬𝐢𝐠𝐧 & 𝐄𝐚𝐬𝐲 𝐈𝐧𝐬𝐭𝐚𝐥𝐥𝐚𝐭𝐢𝐨𝐧: Compared with other 6x6 post anchors,our post anchor features a 1" standoff from the ground,effectively preventing rot and infestation.Additionally,the adjustable level design of our 6x6 pergola bracket kit makes installation easier,saveing time and effort.
•𝐅𝐢𝐭 𝟓.𝟓” 𝐱 𝟓.𝟓” 𝐏𝐨𝐬𝐭: Our 10pcs 6x6 post bases fit standard 6x6 posts (actual inner size: 5.5” x 5.5”).The deck post base is perfect for a range of spaces,indluding decks,pergolas,patios,gazebos,proches.
•𝐏𝐚𝐜𝐤𝐚𝐠𝐞 𝐈𝐧𝐜𝐥𝐮𝐝𝐞𝐝: The package comes with expansion anchors,self-tapping screws,6x6 post bases,and an instruction manual.

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$79.99

$119.99

-33%

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