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4×4"(Actual：3.5×3.5inch) Post Stainless Steel Flange Anchor Base with Screws for Deck Railing, Black Finish (4 Pack)
Details
- MaterialStainless
- Drive SystemExternal Hex
- Head StyleHex
- Item dimensions L x W x H5 x 3 x 5
- Exterior FinishStainless
Description
⚙️ Anchor your space with style and strength!
- SLEEK BLACK FINISH - Modern black coating adds a stylish, professional look that complements any outdoor aesthetic.
- PERFECT FIT PRECISION - Designed with a 3.58×3.58 inch inner size to snugly secure standard 4×4 wood posts with minimal trimming.
- ENGINEERED FOR STABILITY - Heavy-duty flange base anchors your posts firmly, preventing wobble and enhancing deck safety.
- COMPLETE INSTALLATION KIT - Includes 48 stainless steel hex screws (16×5/16", 32×3/16") tailored for wood bases—everything you need in one pack.
- ROCK SOLID STAINLESS STEEL - Premium 304-grade steel ensures long-lasting corrosion resistance and strength for your deck railing.
This 4-pack of 304 stainless steel flange anchor bases features a precise 3.5×3.5 inch inner dimension designed for standard 4×4 wood posts. Finished in sleek black, each base comes with 48 corrosion-resistant hex screws optimized for wood installation, delivering a durable, stable, and stylish solution for deck railing projects.
Specifications
| Material | Stainless Steel |
| Drive System | External Hex |
| Head Style | Hex |
| Item dimensions L x W x H | 5 x 3 x 5 inches |
| Exterior Finish | Stainless Steel |
| Thread Size | 3.5 inches |
| Point Style | Hex |
| Metal Type | Stainless Steel |
| Brand | Antsky |
| Color | Black |
| Head Type | Hex |
| Thread Type | Unc |
| Thread Coverage | Fully Threaded |
| Fastener Type | Screw |
| Set Screw Thread Type | Unified National Coarse (UNC) |
| Thread Style | Cylindrical |
| Thread Class | Standard |
| Fastener Size | 5/16", 3/16" |
| Size | 4×4"(Actual:3.5×3.5inch) |
| Number of Pieces | 48 |
| UPC | 733277871225 |
| Grade Rating | Premium |
| Manufacturer | CHUGE |
| Item Weight | 8.82 pounds |
| Product Dimensions | 5 x 3 x 5 inches |
| Country of Origin | China |
| Item model number | FAB01 |
| Item Package Quantity | 4 |
| Measurement System | Imperial |
| Included Components | Flange Anchor Base |
| Batteries Included? | No |
| Batteries Required? | No |
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Reviews
M**I
As expected and worked fine.
Worked well for our needs! Quality product. I put a plastic cap on the bottom to minimize water absorption - had to cut off all four sides. Also I placed a bead of silicone around the periphery of the footing to keep water out. I did use longer and larger size deck screws to mount the 4x4s - the provided screws seemed a bit light duty to me.
M**H
Great product.
I used these for a railing on my dock. I was amazed how solid the posts were. I like them a lot.
A**R
Better than what is available at big box stores
Compact and very strong
D**C
Great product, very heavy duty, rock solid support, looks great.
I was somewhat unsure of how well these would work for my application, but they far exceeded my expectations. These worked great for the "picture frame" design of the cedar decking. It is important to note that the lag bolts you use to attach to the decking needs some additional support underneath. On the decking, we were able to go through to the 2x6 joists below. On the stair bottom, we added a 2x6 plate to sink the lag bolts into. Would buy this product again.
J**.
Quality product!
These are quality made and the included a drill bit for pilot holes. The drill bit and bolts worked flawlessly. I would buy and install again and I would recommend them.
L**G
Very nice
Looks good, great quality (so far)
A**R
Great product
These look great on our deck! They fit perfectly on a 4x4 post.
S**A
Perfect fit
Easy to install
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