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VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black
VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black
VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black
VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black
VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black
VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black
VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black
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VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black
VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black
VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black
VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black
VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black
VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black
VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black
VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black
VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black
VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black
VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black
VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black
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VEVOR 4x4 Post Base 8 Pcs, Inner Size 3.6x3.6 inch / 92x92 mm Post Brackets, Heavy Duty Carbon Steel Decking Posts, Wood Posts Brackets for Pavilion Deck Railing Support Deck Base Plate, Black

4.5 113 Reviews
$ 64 90
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Features & Details

  • Stable Support: Each post base measures 3.78 x 3.78 inch, with a total of 8 pieces. The inner tube size is 3.6 x 3.6 inch, and the bottom cross-section size is 5.5 x 5.5 inch. It is recommended for use with 3.5 x 3.5 inch posts. The fully enclosed design provides secure, effective support and ensures no wobbling during use
  • Durable and Sturdy: This post bracket is made of carbon steel with a wall thickness of 0.08 inch, ensuring long-lasting durability. The surface is powder-coated for corrosion and rust resistance, providing a long service life
  • Installation is a Breeze: You can quickly install it by following the user manual. Simply drill holes with a power drill, use the screw holes, and secure with screws. The process is time-saving and effortless
  • Complete Accessories: Our post anchor includes M8*60 Self-Tapping Screws, φ12*60 Expansion Screws, M8 Washers, M5*25 Wood Screws, Bases, 8-13 Double-Ended Wrench, making installation straightforward and easy
  • Wide Application: The dual-purpose screws are suitable for both concrete and wooden floor installations. This post base can be widely used in pergolas, porch railings, column supports, and more, providing secure support

Product specification

  • Item Model Number QB-4in-8
  • Kit Quantity 8 pcs
  • External Dimensions 3.78 x 3.78 inch / 96 x 96 mm
  • Internal Dimensions 3.6 x 3.6 inch / 92 x 92 mm
  • Base Cross-section 5.5 x 5.5 inch / 140 x 140 mm
  • Wall Thickness 2mm

Reviews summary

4.5 113 Reviews
Customers say: The reviews highlight the product's sturdy construction, heavy-duty quality, and ease of installation, though some users mention fitment issues and subpar included hardware.

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Customers say
The reviews highlight the product's sturdy construction, heavy-duty quality, and ease of installation, though some users mention fitment issues and subpar included hardware.
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About this item

Product specification
Item Model Number
QB-4in-8
Kit Quantity
8 pcs
External Dimensions
3.78 x 3.78 inch / 96 x 96 mm
Internal Dimensions
3.6 x 3.6 inch / 92 x 92 mm
Base Cross-section
5.5 x 5.5 inch / 140 x 140 mm
Wall Thickness
2mm
Net Weight
22.71 lbs / 10.3 kg
Product Dimensions
5.51 x 5.51 x 5.51 inch / 140 x 140 x 140 mm
Description
Reliable Elevated Platform Support System
The post base is made of sturdy carbon steel, offering durability and resistance to rust and wear. It provides stable support and comes with dual-purpose screws, making installation easy on both concrete and wooden floors. It is ideal for fixed installations in pergolas, porch railings, and more.
With serrated sleeves and self-tapping screws, our post bracket can be installed on both concrete and wooden floors.
This post anchor is made from strong carbon steel with a powder-coated surface, offering wear resistance and rust protection for long-lasting use.
Using a power drill to create holes, our deck post base features screw holes for easy installation with screws, making assembly simple.
This deck post base is ideal for fixed installations in pergolas, porch railings, and more, providing reliable safety protection.

8-Piece 4x4 Post Base Set With 3.6x3.6 in Inner Tube Size

Eight sturdy brackets are included in the VEVOR 4x4 post base set. For typical 3.5 × 3.5-inch wooden posts, each inner tube measures 3.6 × 3.6 inches (92 × 92 mm), which is the ideal size. This precise fit ensures strong holds, increasing the stability of decks, pergolas, pavilions, railings, fencing, and other outdoor structures. These bases encircle the post on all four sides, preventing them from coming loose and maintaining their straightness even under extreme strain or weather conditions.


Because this set includes eight individual brackets, professionals and homeowners can support larger projects or do several installations without purchasing additional brackets. Whether it's strengthening structural columns or adding to a backyard deck, each bracket helps make the structure safer and more stable. This set provides a sturdy base that withstands heavy use and performs well in a variety of outdoor environments.


Bottom Base Plate Measures 5.5x5.5 in for Enhanced Stability

The bottom base plate of every VEVOR 4x4 post base measures 5.5 × 5.5 inches. The purpose of this plate is to distribute load pressure uniformly throughout the mounting surface. The posts remain secure and upright during storms, vibrations, or changes in the structure's weight, thanks to the increased stability provided by this broader foundation platform.


By making as much contact with the floor as possible, the larger bottom plate prevents swaying. For raised decks, railings, pergolas, and patio constructions that may be subject to movement, this is particularly crucial. Over time, the increased surface area reduces wear and tear on the installation area and makes the bracket safer by better distributing the load. Whether your construction is outside or inside, its foundation keeps it secure and stable.


Heavy-Duty 0.08 in Thick Carbon Steel for Long-Term Durability

Because they are composed of 0.08-inch-thick carbon steel, these post brackets are incredibly durable and sturdy. The bracket walls are suitable for demanding construction projects that require long-lasting support, as they are made of thick steel and can withstand heavy loads. Because carbon steel is naturally durable, the bracket will maintain its shape even after being struck, weighed, or used outdoors for an extended period.


To prevent rust, corrosion, and environmental wear and tear, each post base is powder-coated. This further extends the service life. Because the coating shields the steel from corrosion, moisture, and UV radiation, the brackets can withstand inclement weather without degrading. Rain, snow, or intense sunlight won't affect its functionality year after year thanks to the sturdy steel construction.


Fully Enclosed Post Bracket Design to Prevent Wobbling

Because the VEVOR 4x4 post base is completely enclosed, the post is supported from every angle. It significantly reduces the chance of shifting or moving. Unlike open-style brackets, this enclosure entirely encloses the post, keeping it in place. This design eliminates swaying, leaning, and twisting, all major issues that reduce the stability of decks and other outdoor buildings. The bracket's tight, strengthened grip helps maintain the structure's strength over time.


A sturdy post foundation is necessary for railings, decks, and pergolas that are frequently used, exposed to wind, and have swinging doors. By ensuring that the post cannot tilt or come loose even after years of usage, the enclosed structure greatly increases safety. In addition to strengthening the framework, this hard grip gives your completed installation a neater, more polished appearance.


Quick Installation Using Pre-Drilled Screw Holes and Manual Guide

With pre-drilled screw holes and an easy-to-follow user manual, the VEVOR 4x4 post base is simple to install. To mount the bracket to a concrete surface or wooden deck, users only need a power drill and the included screws. Even novices can easily assemble them thanks to the pre-drilled alignment, which ensures that the parts are in the proper location and reduces installation time.


The design is suitable for a wide range of construction and DIY tasks. The base can be attached using wood screws for wood floors or expansion screws for concrete. On large projects, the simple installation procedure saves time and labor, and replacements or repairs are simple and quick. Whether you're adding structural support or creating a new deck, these brackets make the job much simpler.


Includes M8×60, φ12×60, M5×25 Screws, Washers, and 8–13 Wrench

You don't need to purchase anything else because the VEVOR 4x4 post base set includes everything you need to install it. To tighten and adjust everything, the kit consists of M8 washers, M5×25 wood screws, φ12×60 expansion screws, M8 self-tapping screws, and an 8–13 double-ended tool. With these attachments, users can begin installation immediately on concrete or wood surfaces, making the process quick and affordable.


Every fastener included with the bracket is selected for its strength and compatibility with the bracket's carbon-steel construction. In concrete, expansion screws secure objects firmly, while in wood, wood screws accomplish the same. Because it allows users to tighten nuts without additional equipment, the universal wrench simplifies assembly. VEVOR provides all the gear you need to install your post, ensuring you have everything you require.


4x4 Post Base Suitable for Wood & Concrete Floors in Pergolas, Decks & Railings

Because they are compatible with both concrete and wood floors, these post bases are excellent for both residential and commercial construction. Pergolas, porch railings, fences, mailbox posts, pavilions, stair posts, patio roofs, garden buildings, and more can all be made with them. Because of their adaptability, these brackets can be used for a wide range of support requirements and architectural styles.


Whether you're reinforcing a deck railing or erecting a pergola in your backyard, the robust carbon-steel construction and enclosed post support ensure this product will last a very long time. It is excellent for both residential and commercial buildings that must comply with stringent safety regulations. These brackets are crucial for long-lasting, aesthetically pleasing exterior installations, as they are highly practical and reliable. 


Product guides and documents
User manual-en (PDF) Review

Questions and Answers (2)

Base wood need sleeve or only screw?
For a wood base, you can typically secure the bracket with wood screws. Expansion sleeves/anchors are only needed when mounting to concrete or masonry.
By vevor
Helpful ( 0 )
Are there drain holes in bottom of sleeve?
No, there are no dedicated drain holes in the bottom center of the sleeve.
By vevor
Helpful ( 0 )
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Accident and warranty protection by Xcotton (partner with AIG)
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