Model # 30161

Internet #202400933

Oz-Post T4-850 4 in. Square Wood Post Anchor (6-Case)
0852143001006

Oz-Post

T4-850 4 in. Square Wood Post Anchor (6-Case)

$131.83 /box

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Product Overview

Oz-Post is one of the best ways to secure a wood post in the ground. Oz-Post are not only extremely fast to install but can also help prevent your wood post from premature rot that can occur with direct burial in the ground. Oz-Post can also protect the wood from damage from weed eaters when the top sleeve is left exposed above the surface of the ground. Regardless of what you plan to build with Oz-Post you can be sure that your posts will be sturdy and long lasting for many years to come.

  • Fits a true 3-1/2 in. x 3-1/2 in. square post (pressure treated)
  • 6-Pieces per case
  • Hot dipped galvanized anchor
  • Suitable for contact with acq approved lumber

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Customer Questions & Answers

4 Questions10 Answers

Customer Questions & Answers

T4-850 4 in. Square Wood Post Anchor (6-Case)
T4-850 4 in. Square Wood Post Anchor (6-Case)

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4 answers

I want to us theses for the footings on a play set that will stand 4 feet high. Are these post anchors suitable for that

This question is from T4-850 4 in. Square Wood Post Anchor (6-Case)
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April 26, 2016
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Asked by
Minneapolis, MN
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August 2, 2016
Answer: 
I think they would work very well. We use them on signs that stand 8 feet high, and they have always been rock solid.
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April 29, 2016
Answer: 
Understood thanks. Alot to consider but these seem simpler than digging and gravel/concrete ect.
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Asked by
smithtown ny
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Home Improvement Profile: DIYer
April 28, 2016
Answer: 
Use the foundation ones which are for decking. These are for fence not meant to hold the weight of people.
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Asked by
Santa Fe, NM
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Home Improvement Profile: DIYer
April 27, 2016
Answer: 
Yes, these will handle all the horizontal load you can put on them, and will anchor posts in place to keep them from moving. Note that these are meant to hold 4x4 (wood) posts, and as such the interior is just bigger than a 3.5" x 3.5" square. For proper support, anything you insert into the anchor should fill that interior square as much as possible. If your play set is a wooden climber, you should be Read More
Yes, these will handle all the horizontal load you can put on them, and will anchor posts in place to keep them from moving. Note that these are meant to hold 4x4 (wood) posts, and as such the interior is just bigger than a 3.5" x 3.5" square. For proper support, anything you insert into the anchor should fill that interior square as much as possible. If your play set is a wooden climber, you should be fine in terms of anchoring, but if it is tubular steel, it is not. Please note that the top 8 inches or so of the anchor remains above ground (there is a support structure/flared skirt type of partial plate preventing you from driving it further into the ground), so you will have rigid metal edges sticking out of the ground, and you'll be driving in some type of large head screws through that metal to attach the wooden post to the anchor. All of that metal may not be child/fall friendly unless you plan to cover it with a padded or rubber boot for safety. Read Less
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4 answers

Screws included?

This question is from T4-850 4 in. Square Wood Post Anchor (6-Case)
Asked by
Beverly, MA
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August 19, 2015
Are the screws to anchor the posts provided?
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Asked by
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August 11, 2016
Answer: 
no
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Asked by
Flower Monud, Texas
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May 17, 2016
Answer: 
No, but a good exterior screw or lag bolt will work.
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Asked by
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March 15, 2016
Answer: 
Yes galvanized screws are included but i would make sure to have extra decking screws
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Asked by
Minneapolis, MN
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January 5, 2016
Answer: 
No screws are provided. Must use appropriate screws for the application, i.e. size and type of posts used & indoor or outdoor (We use 4'X4" posts, cured and non treated, outdoor - so chose to use low rusting screws at least 2.5" long). Ozco, manufacturer, can give you pointers also, on types of screws to use.
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2 answers

How many in a box?

This question is from T4-850 4 in. Square Wood Post Anchor (6-Case)
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June 9, 2016
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Asked by
Minneapolis, MN
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August 2, 2016
Answer: 
6 per box.
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June 10, 2016
Answer: 
There are six pieces per box.
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Will these support treated 4"x4" posts if posts will be supporting a tensioned tarp for playground shade?

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Florida
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September 30, 2016
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Customer Reviews

T4-850 4 in. Square Wood Post Anchor (6-Case) is rated 4.4 out of 5 by 75.
Rated 5 out of 5 by from worked well we used theese to put up some privacy fence posts between trees and several bushes along with posts buried in the ground. After locating a spot between all the really large roots we used sledge hammer to install anchor. We did have to make a metel plate to fit in bottom of the square part that holds the post to be able to use a scrap 4 by 4 to drive anchor in to ground. Other wise you would just be driving the scrap 4 by 4 down into the anchor tearing up 4 by 4 and getting it jammed in it. They should be solid inside or come with removable plate. Unless your ground is really soft you cannot install theese without the plate. A little difficult to keep plum but it worked out ok for us.
Date published: 2016-08-11
Rated 4 out of 5 by from Good solid product, worked well, was disappointed that is was made in China, and the fact that t... Good solid product, worked well, was disappointed that is was made in China, and the fact that the tapered section of the post/spike was slightly twisted and the post turned clockwise when driving it into the ground. I learned to compensate by starting the post with a slight turn counter clockwise when I starting setting the post. Overall made a tough job much easier.
Date published: 2016-12-07
Rated 5 out of 5 by from Better than Concrete Used these anchors after my original cemented posts rotted out. Rented a jackhammer to install 25 anchors. Was done in about an hour and a half. These anchors are holding up a six foot privacy fence. Had withstood winds in excess of 70 mph during a recent storm and didn't budge.
Date published: 2016-08-16
Rated 5 out of 5 by from Excellent product. This is a good anchor system. No need for digging, cementing, etc. Went through tough ground fairly well. It helps to have a small metal plate to place into it as you are pounding it in. That will keep your wood from splitting inside and getting wedged tight.
Date published: 2016-10-11
Rated 4 out of 5 by from good for a one person job Bought OZ-Post to put up a fence. And since I was doing the job solo, I figured this method would be easier than using an auger. And they were easier. The down side is that the quality of the product isn't quite where I would like it. The anchors, if they are not close to perfect, will twist as they are pounded in the to ground. So you take all this time to make sure your spacing is correct, that your path is straight and true, but then your end up with posts that are not square. I tried several different methods so that they would finish square, but none were really successful. Being super detailed, this really bothers me. Secondly, while I feel these will be sufficient for my fence, perhaps it is the nature of a horizontal fence, or the fact that my post are not set in 24-36 in of concrete, but the fence does not have the lateral strength of standard concrete posts. Lastly, particularly if you are building a horizontal fence, you have to come up with a method of covering the part of the anchor that is above ground. May or may not be important to others. I would use them again if going solo, or needed a job done super quickly, Otherwise I think I would go with standard concrete posts.
Date published: 2016-08-30
Rated 5 out of 5 by from Good product Easy to install with a rented jackhammer. I would use this product again.
Date published: 2016-12-11
Rated 5 out of 5 by from Fast and Secure Installed 30 Oz posts for my backyard over 3 years ago, no rust, no wood rot, fence is still standing secure. Even have 2 doors for entrance are holding up great. Soil was hard, but installation went easily with jackhammer, make sure you don't large rocks will not work. Product does cost a little more but the time you save on not pouring concrete and digging holes is worth it . Great Product would buy again
Date published: 2016-03-16
Rated 5 out of 5 by from Sure beats digging holes My son had purchased these when he built a picket fence at the top of a retaining wall in back of his house. I was sold on them from that experience. When I needed to replace my 6 ft high fence around my yard, I immediately bought these. They are much easier to use than digging holes (his ground is clay and sand stone) and since the posts do not have contact with the ground, there is less chance of rot. These support my fence well. I would recommend buying the level for these. My son made his own hammer spacer, so we did not need to purchase this.
Date published: 2013-10-07
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