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    • Oz-Deck: Deck Foundation System
    • OZ-POST T4-850 4" x 4" x 34" Wood Post Anchor, Fits 3-1/2" Square Posts - Individual or Case of 6
  • OZ-Post T4-850 4x4 Wood Post Anchor - Galvanized
  • T4-850 OZ-Post Dimension Drawing
  • OZ-Post T4-850 with Wood Fence Post Installed in Asphalt
  • Using the Manual Post Driver to Install a T4-850 OZ-Post
  • OZ-Post T4-850 4x4 Wood Post Anchor - Galvanized T4-850 OZ-Post Dimension Drawing OZ-Post T4-850 with Wood Fence Post Installed in Asphalt Using the Manual Post Driver to Install a T4-850 OZ-Post

    OZ-POST T4-850 4" x 4" x 34" Wood Post Anchor, Fits 3-1/2" Square Posts - Individual or Case of 6

    OZCO Building Products

    MSRP:
    Was:
    Now: $32.89 - $185.49
    (You save )
    (9 reviews) Write a Review
    SKU:
    OZCO-T4-850
    Availability:
    Typically ships in 7-10 business days. Ships via small package (UPS, FedEx, USPS)..

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    • Overview
    • Product Videos
    • Reviews

    Product Description

    • Heavy-Duty 34" Anchor Drives Deep in the Ground for Maximum Support
    • Easy Install - Drives Into the Ground in Minutes Using a Jackhammer
    • Installs in Asphalt & Other Hard Surfaces
    • Wind Tested to 120MPH for Privacy Fencing - Install with Confidence
    • Lengthen the Life of Your Wood Posts - Prevents Rot & Insect Damage that Happens Below Ground
    • Reduces Post Heave - Designed to Reduce Frost Heave in Cold Climates
    • Works with Fence Posts, Deck Posts (w/ OZ-Deck), & Any Other Outdoor Project that Uses 4x4s
    • Hot-Dip Galvanized for Long Lasting Performance

    The T4-850 OZ-Post is a 34" Long, Heavy-Duty Wood Post Anchor that Works with 4 x 4 (3-1/2" x 3-1/2" Actual) Wood Posts. This hot-dip galvanized anchor is approved for use with ACQ treated lumber. Forget about digging post holes and pouring messy concrete; those are the tools of the past. OZ-Posts are the future of outdoor post installation. These anchors can be driven into the ground in minutes, reducing time and effort on the project. Best of all, they perform similarly to a post hole that is filled with 6-8" of concrete, so they are more than capable of holding up your posts for the long term.

    T4-850 anchors can actually be driven into the ground in 3 ways:

    1. Insert a spare piece of 4x4 into the OZ-Post sleeve so that it sits 5-6" above the sleeve height. Use a sledge hammer to pound down on the wood, driving the anchor in the ground. This technique is good installing a small number of OZ-Posts in a reasonable amount of time.
    2. Use the Manual Driving Kit, which uses weight and gravity, to drive the OZ-Post into the ground.
    3. Use the Jackhammer Driver Kit (JDK) along with a rented jackhammer to drive in as many OZ-Posts as you need. This is the quickest and least labor intense way, but may not be as cost effective for small projects (1-5 posts)

    Specifications

    T4-850 Size 4" x 4"
    Actual Post Size 3-1/2" x 3-1/2"
    Dimensions 3-1/2" x 3-1/2" x 34"
    Weight 7.7 lbs
    Material Hot Dip Galvanized Steel
    Finish Silver
    Typical Usage Wood Fence Posts, Deck Posts, Pergolas, Arbors, & More

     

    Installation

    Download the OZCO OZ-Post Wood Post Anchor & OZ-Deck Installation Instructions Here

    Warranty

    See the OZCO Building Product's warranty here

    Resources

    Product Videos

    Videos Hide Videos Show Videos

    • Oz-Post T4-850-1/1

      Product line introduction, FAQs, and T4-850 installation.

    • Oz-Post - Tips and Tricks to Installation

      Oz-Post - Tips and Tricks to Installation

    • OZ-POST® WOOD POST ANCHORS

      Oz-Post® Anchors for Wood Posts, Saying Goodbye To Digging Pos...

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    Product Reviews

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    OZ-Post T4-850 4x4 Wood Post Anchor - Galvanized
    OZCO Building Products
    OZ-POST T4-850 4" x 4" x 34" Wood Post Anchor, Fits 3-1/2" Square Posts - Individual or Case of 6

    9 Reviews Hide Reviews Show Reviews

    • 5
      Post and Pier foundations

      Posted by Bob Haba on Sep 11th 2023

      Great product for no concrete foundations.

    • 5
      Easier than Concrete

      Posted by Jon on Jun 11th 2019

      This is the 3rd fence I've installed. For the first 2 I used the dug holes and poured concrete. This time, I had to have the fence up ASAP to meet regulations (red tape), so I decided to try post anchors with a jackhammer. While it didn't cut the time in half, it did save me a couple of hours and the fence seems to be as sturdy as the first 2. So far, I'm very happy.

    • 4
      Worked As Advertised

      Posted by robert on Jun 11th 2019

      Replaced 4 fence posts with ozposts in about 2 hrs. Set 'em right in the same hole then covered it up Expensive but still worth it for this old timer. Doing more soon

    • 5
      Very Quick and Easy

      Posted by Ben Sanford on Jun 11th 2019

      I used the post anchor to replace a stop sign post that had been snapped off by a careless driver. Since the post had snapped off at ground level, I could re-use the shortened 4x4. Anchor was relatively easy to drive with a large sledge hammer. It was much quicker than buying a new 4x4, digging a hole, mixing and pouring concrete, etc.

    • 5
      Oz post

      Posted by Michael Serpe on Jun 11th 2019

      great quality and service.

    • 5
      Nice

      Posted by Rich on Jun 11th 2019

      I used because I needed to remove the fence post from ground thus cement was not an option. I thought the Oz T4-850 would not keep the post stable but I was wrong. The post mounted in this anchor is actually more stable than the ones in cement.

    • 5
      Purchase of Oz-Post T4-850

      Posted by Eric Henry on Jun 11th 2019

      I chose your business to order from because I could order the exact number of posts I needed rather than having to buy in case lots. Your web site and order fulfillment processes worked just fine as well.

    • 5
      Purchase of Oz-Post T4-850

      Posted by Eric Henry on Jun 11th 2019

      I chose your business to order from because I could order the exact number of posts I needed rather than having to buy in case lots. Your web site and order fulfillment processes worked just fine as well.

    • 5
      Oz-Post T4-850 - 4x4 Post Anchor (Case of 6)

      Posted by James Holton on Jun 10th 2019

      Oz-Post T4-850 - 4x4 Post Anchor (Case of 6)

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