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Architectural Mailboxes 4 X 4 Wood Post Adapter

3.2 out of 5 stars 12 customer reviews

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  • Heavy gauge galvanized steel
  • Durable powder coated finish
  • Fits standard 4" x 4" posts
  • Multiple wood screw holes for attaching adapter to 4" x 4"

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Product Description

The 4" x 4" Post Adapter can be used to attach any Architectural Mailboxes post mount mailbox to a 4x4 wood post. The adapter plate is constructed of heavy gauge galvanized steel and finished with a durable powder coat.

Product Information

Technical Details

Part Number 7530-10
Item Weight 1.6 pounds
Product Dimensions 12 x 6 x 1 inches
Item model number 7530-10
Color Black
Material Steel
Item Package Quantity 1
Batteries Included? No
Warranty Description One year limited warranty

Additional Information

ASIN B001TUZH3K
Customer Reviews
3.2 out of 5 stars 12 customer reviews

3.2 out of 5 stars
Best Sellers Rank #359,000 in Home Improvements (See top 100)
#162 in Home Improvement > Hardware > Mailboxes > Mailbox Posts
Shipping Weight 1.6 pounds
Date First Available February 17, 2009

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By J. Humphrey on January 10, 2010
Verified Purchase
The installation mount for 4X4 posts should be reinforced a bit. The base part that attaches to the mailbox is really easy to work with and sturdy, but the anchors that mount it to the 4X4 post are too short (they extend only about two inches down the post) and use only 1 inch screws. In our rural area that would make knocking the mailbox off of the post quite easy, especially because it is quite heavy.
I was able to reinforce the mount with 12 inch and 16 inch galvanized steel straps (one on each side of the post--alternating lengths--available for a small cost at the local hardware store). I drilled through the anchor plating to match the strapping and used a 2 inch X 1/4 inch diameter lag screw with washer at slightly different heights and horozontal positions to drive through the overlapping anchor plate and the top of the strap to really secure the whole mounting plate (all holes pre-drilled). The Mailbox is added after the plate is secured so that modification can be done in your shop. Then I anchored the strapping lower down the post at different levels on each side with the same lag screws/washers. Just to be sure I added two inch galvanized deck screws to the part of the base plate that was not covered by the extra strap and at several places along the strap as well. I considered drilling a hole in the bottom of the mailbox centered over the post and drilling a hole down the center of the post for a much longer lag screw (9-12 inches) or a similar diameter spike (I have a 16 inch long 3/8 inch drill bit). I decided against that for now because our community may be changing the location of the mailboxes and providing a mounting platform which would make the mounting plate unnecessary. If the strapping proves to be insufficient to prevent vandalism, I may add that at a later date.
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Verified Purchase
(12/15/10) Works well but substituted longer, larger wood screws for slightly better security.

If you're to really worried about someone taking the mailbox off with a chainsaw, get the metal mounting post and sink it in concrete.

(4/1/13) DOWNGRADE REASON: Ours was among several boxes at our rural mail stop vandalized over the weekend. The locking Oasis mailbox, from the same company, held up beautifully. The longer, larger screws I put into the 4x4 held up beautifully. The pressure-treated 4x4 held up beautifully but the adapter RIPPED! The metal is so light, apparently, that the vandals were able to simply rip the mailbox and adapter off the screws. The adapter is still attached to the box but is noticibly bowed; I wouldn't have thought so but it happened. Compare the gauge (thickness) of the metal before you by an adapter.
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Verified Purchase
This was easy to use. As others did, I substituted longer (1 5/8") screws. After installing the adapter and attaching the mailbox (Oasis 5100), the mailbox shakes a lot. If the adapter was made of thicker metal stock, that wouldn't happen. The mailbox is mounted securely and it's not going to fall off or anything, but it's annoying at least. I plan on attaching a couple pieces of the 4x4 up underneath it on each side of the post, and drilling through the adapter to secure to those, that ought to firm it up.
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Verified Purchase
The adapter mated up nicely to the mailbox. However, the attachment of the adapter to the post is less secure. Even though I used all three screws on each of the four sides, the adapter flanges do not extend far enough down the post to provide a wobble-free attachment.
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Verified Purchase
Amazon did a great job processing the order - as been my usual experience.
The item is hard to review as it seems sturdy and well-built and came with the screws needed.
Maybe the flaps that attach the adapter to the post could be longer for more stability.
Seems to work. We have had their Oasis Jr. on there for about 2 months and it hasn't fallen off yet nor has the courier complained.

The beef I have is not the fault of this particular item but, the fault of the manufacturer.
I purchased a large locking mailbox from same mfg. at a local store and the packaging did not indicate that the adapter was needed or was sold separately or that it was only available online. Causing us to have to delay our mail for 2 weeks (more because items were having to be sent back to the sender and re-sent later).
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By sandy on December 28, 2011
Verified Purchase
Got this to mount my new mailbox on a four by four post. It worked but I would have liked it better if the flanges were a little longer. I would have given it 5 stars if it had longer flanges.
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