Underbody Steel Mounting Brackets 24 x 24 Inch Pair - Heavy Duty Mount
Underbody Steel Mounting Brackets 24 x 24 Inch Pair - Heavy Duty Mount
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In this review the Underbody Steel Mounting Brackets 24 x 24 in pair are evaluated for people who need a sturdy solution to mount a 24 in deep underbody truck toolbox. The bottom line: these brackets deliver heavy-duty support and corrosion resistance at a practical price, and they are best for DIY installers comfortable drilling and bolting to their toolbox and vehicle frame. The reviewer found the welded channel steel construction and black powder coat finish provide immediate confidence in long-term durability and stability for underbody or trailer tongue toolboxes.
Key Features
- Size: The 24 in by 24 in dimension is tailored to secure a 24 in deep underbody toolbox without excess overhang or complicated modification.
- Sold in Pairs: The set of two brackets provides a matched mounting solution so both sides of the toolbox sit level and stable.
- Premium Material: Heavy-duty folded steel and a black powder coat make the brackets rust-resistant and built to withstand road exposure.
- Easy to Use: Multiple mounting holes and pre-formed channel steel allow flexible placement on the frame, while simple drilling completes the install.
- Complete Kit: The package includes screws, spacers and sleeves so installers have the basic hardware needed to fasten the brackets to the box and frame.
Who It's For
This mounting kit is aimed at truck owners and mechanics who need a reliable underbody toolbox mounting solution for a 24 in deep box and who are comfortable performing light fabrication such as drilling mounting holes. It is a practical choice for fleet vehicles, work trucks and trailer tongue toolboxes where durability and a low-profile mount matter.
It is less suitable for buyers who expect a fully pre-drilled, vehicle-specific mounting system or a model that requires no drilling at all; those users should consider custom-fit mounting solutions. Also, if you need corrosion protection beyond powder coat in extreme marine environments, consider stainless options.
Pros & Cons
Pros
- Robust welded channel steel construction gives a stout, stable anchor for a 24 in toolbox.
- Black powder coated finish helps resist rust and keeps a low-profile look under the vehicle.
- Includes screws, spacers and sleeves so installers have the core hardware needed for mounting.
- Multiple mounting holes make it adaptable to different frame positions and orientations.
Cons
- Requires drilling mounting holes in the underbody box, so some users will need tools and time for installation.
- Not a vehicle-specific bracket set, so minor fitting adjustments may be necessary on some frames.
Specifications
| Product Type | Underbody tool box mounting brackets |
| Size | 24 in (L) x 24 in (H) |
| Quantity | Sold in pairs (set of 2) |
| Material | Heavy-duty folded steel, welded channel steel |
| Finish | Black powder coated, rust-resistant |
| Included Hardware | Screws, spacers and sleeves |
Our Verdict
The Underbody Steel Mounting Brackets 24 x 24 in pair are a solid value for anyone who needs a durable, adaptable mounting method for a 24 in deep underbody or trailer tongue toolbox. They combine welded channel steel strength, a rust-resistant powder coat and included hardware to simplify installation for a DIYer or shop, provided the buyer is prepared to drill mounting holes and make small fitment adjustments.
Frequently Asked Questions
Will these brackets fit any 24 in deep toolbox?
They are designed to mount a 24 in deep box but may require drilling or minor adjustments for specific box shapes or frame locations.
Is rust protection included?
Yes, the brackets have a black powder coat finish for rust resistance, suitable for typical road use.
Do I get all hardware needed?
The package includes screws, spacers and sleeves, but you may need vehicle-specific fasteners or additional bolts depending on frame setup.
Editor's Take
A durable, good-value mounting kit for 24 in deep underbody toolboxes that combines welded channel steel, powder coat rust resistance, and included hardware; best for DIY installers willing to drill mounting holes.

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