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BISupply Concrete Post Anchor 4x4 Post Base Spike 4 Pack - U Shape Fence Post Holder Pergola Brackets Deck Post Base Set

BISupply Concrete Post Anchor 4x4 Post Base Spike 4 Pack - U Shape Fence Post Holder Pergola Brackets Deck Post Base Set

Q: Is the 3.4" pictured measurement wrong; are these actually for 3.625" standard 4"x4" posts?

I am not sure of the actual measurement. I do know that the treated, and cedar 4x4 commercial posts that I used to construct a solar panel rack, worked just fine in these anchors. A really solid connection too.

Q: will drill hole in concrete to set these. what type of glue do I need to secure them & will it be possible to remove them in future? in t

You will need a strong cement glue,Amazon sell glue for these. it you have to remove it you mite have to use sawsall or angle grinder.

Q: Can I pound these into dirt? I want to use with 4x4 garden totems?

You can but if the totems are too top heavy the anchor will pull out. You may want use cement. I used them to build a fence but I alternated the smaller anchors with 2 foot ground spikes in cement.

4.6/5

Product ID: 452102261

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Details

Material
Alloy Steel
Colour
multi-color
Brand
BISupply
Product Dimensions
40L x 40W
Style
U shape

📏Fits standard 4x4 posts

⚙️7-inch spike for deep concrete anchoring

🛠️10 predrilled screw holes for secure mounting

Description

🛠️ Anchor your outdoor dreams with rock-solid confidence!

ROBUST STEEL CONSTRUCTION - Durable alloy steel with black powder coat finish ensures long-lasting weather resistance.
PRECISION FIT FOR 4 X 4 POSTS - Engineered to snugly hold standard 4x4-inch posts with a sleek U-shape design.
DUAL INSTALLATION FLEXIBILITY - Set the spike in wet concrete or mount on existing surfaces for versatile project needs.
ENHANCED STABILITY WITH DEEP SPIKE - 7-inch rebar spike drives deep into concrete, delivering unmatched post stability.
COMPLETE 4 PACK FOR MULTI PROJECT USE - Four anchors included to secure multiple posts—perfect for decks, pergolas, and gazebos.

The BISupply Concrete Post Anchor 4x4 Post Base Spike 4 Pack offers a professional-grade solution for securing 4x4 wooden posts up to 4 feet high. Crafted from durable alloy steel with a protective black powder coat, each U-shaped bracket features 10 predrilled holes and a 7-inch rebar spike designed to embed deeply into concrete for maximum stability. Ideal for decks, pergolas, patios, and gazebos, this 4-pack provides versatile, long-lasting post anchoring with easy installation options.

Specifications

Material	Alloy Steel
Colour	multi-color
Brand	BISupply
Product Dimensions	40L x 40W Millimeters
Style	U shape
Item Weight	2.77 Kilograms
Number of Pieces	1
Manufacturer	BISupply
Recommended Uses For Product	Deck, patio, pergola, gazebo; for posts up to 4 feet high
UPC	840145800161
Special Feature	Two installation methods
Model number	BIS-800161
Number of Memory Sticks	1
Item Weight	2 kg 770 g
Item model number	BIS-800161
Are batteries included?	No

Have a Question? See What Others Asked

Is the 3.4" pictured measurement wrong; are these actually for 3.625" standard 4"x4" posts?

will drill hole in concrete to set these. what type of glue do I need to secure them & will it be possible to remove them in future? in t

where can I find these in 4 x 6?

Can I pound these into dirt? I want to use with 4x4 garden totems?

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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E£ 25016

Duties & taxes incl.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago