1. Truck Bed Parts Products
  2. sku: 20799217468860711
  3. CARAUTOPARTSHOME X11.3

CARAUTOPARTSHOME X11.3 Welded Formed Mounting Bolts Brackets 6414307050363 2X 8.3 Steel Tool Box

X11.3 Carautopartshome 414307050363 2x 8.3 Welded Formed Mounting With Bolts Brackets Steel For Truck Tool Box

( Brand: Carautopartshome ), ( Manufacturer Warranty: 6 Months ), ( Height: 8.3 ), ( Fitment Type: Direct Replacement ), ( Depth: 11.8 ), ( Width: 3.15 ), ( Thickness: 0.16 ), ( The Screw Hole Diameter: 10mm ), ( Surface Finished: Coated ), ( Type: Underbody Tool Box ), ( Material: Stainless Steel ), ( Color: Black ), ( UPC: 414307050363 )

Review CARAUTOPARTSHOME 2x 8.3 Welded Formed Mounting Bolts Brackets Steel Truck Tool Box

The **CarAutoPartsHome 414307050363 2x Welded Formed Mounting Bolts and Steel Brackets** is a robust, heavy-duty fastening solution designed to securely attach tool boxes, cargo organizers, or aftermarket storage systems to the chassis, frame rails, or crossmembers of vehicles. Crafted from high-quality **mild steel**, these brackets feature a **welded construction** that ensures exceptional strength and durability, capable of withstanding the rigors of daily use, road vibrations, and varying load weights. Each bracket is **pre-formed** with precise dimensions **8.3 inches in length and 11.3 inches in width** allowing for a snug, custom-fit installation on most standard vehicle frames, including trucks, SUVs, and utility vehicles. The **welded design** eliminates the need for additional hardware like nuts or washers, simplifying assembly while maximizing structural integrity, as the bolts are permanently affixed to the bracket, reducing the risk of loosening or detachment over time. These brackets are ideal for DIY enthusiasts, mechanics, and off-road adventurers who demand a **permanent, no-fuss mounting solution** that can be welded directly onto the vehicle s frame for a seamless, reinforced attachment point. Whether securing a heavy-duty toolbox, a bed liner, or a custom cargo rack, these brackets provide the **stability and load-bearing capacity** required to keep essentials securely in place, even during aggressive driving or off-road conditions. Built to last, they offer a cost-effective alternative to expensive OEM parts while delivering professional-grade performance.

**Pros and Cons of Buying Welded Formed Mounting Bolts and Brackets (Part Number: 414307050363, 2x 8.3 x 11.3, Steel for Tool Box)**

### **Pros:**

1. **Durability and Strength** The steel construction ensures these brackets are robust and capable of supporting heavy loads, making them ideal for tool boxes or other heavy-duty applications. Welded design adds stability, reducing the risk of warping or bending under stress.

2. **Compatibility with Tool Boxes** Designed specifically for mounting tool boxes, these brackets are likely engineered to fit common tool box sizes (e.g., 8.3 x 11.3 inches), ensuring a secure and level attachment to vehicles or other surfaces.

3. **Versatility** While marketed for tool boxes, these brackets can also be used for mounting other accessories like storage trays, cargo organizers, or even DIY projects where secure fastening is required.

4. **Cost-Effective Solution** Purchasing these brackets directly from a supplier like CarAutoPartsHome may offer better pricing than buying from dealerships or aftermarket accessory brands, especially if you need multiple sets.

5. **Easy Installation** The welded design simplifies assembly, as there are fewer parts to align compared to bolted or riveted alternatives. Pre-formed holes for bolts make installation straightforward for those with basic tools.

6. **Corrosion Resistance (if galvanized or stainless)** If the steel is coated (e.g., galvanized or powder-coated), these brackets will resist rust and extend their lifespan, particularly in outdoor or high-moisture environments.

7. **Lightweight Yet Sturdy** The dimensions (8.3 x 11.3 inches) suggest they are compact enough to save space while still providing ample support, which is useful for vehicles with limited mounting areas.

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### **Cons:**

1. **Potential Quality Variations** Since these are generic mounting brackets, the quality may vary depending on the manufacturer. Cheaper alternatives might have thinner steel, weaker welds, or inconsistent hole placements, leading to instability or premature failure.

2. **Compatibility Issues** While the dimensions (8.3 x 11.3 inches) are likely standard, exact fitment depends on the tool box s mounting points. Some tool boxes may require custom modifications or additional spacers, which aren t accounted for in the purchase.

3. **Limited Brand Support** Unlike branded tool box systems (e.g., Thule, Yakima, or Kurve), these brackets lack manufacturer warranties or customer support. If they fail, returns or replacements may be difficult to process.

4. **Installation Challenges** If the vehicle s mounting surface is uneven or lacks pre-drilled holes, installing these brackets may require additional drilling or welding, which could void the vehicle s warranty or damage the bodywork if done improperly.

5. **Aesthetic Concerns** The raw steel look may not match the vehicle s finish, especially if the brackets are visible. Additional painting or covering may be needed for a seamless appearance.

6. **Load Capacity Unspecified** The exact weight capacity isn t always clearly listed. Overloading could cause the brackets to bend or fail, compromising safety. Always verify the steel thickness and material grade (e.g., mild steel vs. high-strength steel) for your intended load.

7. **No Included Hardware** The listing specifies "bolts and brackets," but it s unclear if bolts, washers, or nuts are included. Purchasing separately could add to the cost and complexity.

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### **Conclusion:**

These welded steel mounting brackets (414307050363) are a practical and cost-effective choice for securely attaching tool boxes or similar accessories to vehicles, provided they are installed correctly and used within their intended load limits. They excel in durability and simplicity but may lack the precision, support, or aesthetics of branded alternatives. The decision to buy depends on your priorities: **budget, DIY capability, and tolerance for generic parts** versus the convenience and reliability of name-brand solutions.

If you prioritize **durability, ease of installation, and affordability**, these brackets are a solid option especially if you verify the steel quality and ensure proper installation. However, if you need **guaranteed fitment, warranties, or a polished finish**, investing in a tool box system with integrated brackets may be worth the extra cost.

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### **Recommendation:**

1. **Verify Dimensions and Compatibility** Double-check that the 8.3 x 11.3-inch brackets match your tool box s mounting points. Measure the tool box s attachment holes and the vehicle s mounting surface to avoid gaps or misalignment.

2. **Check Steel Grade and Thickness** Confirm the material is **mild steel (A36) or higher** for heavy loads. Avoid brackets with visible thinness or weak welds. If possible, opt for **galvanized or stainless steel** for rust resistance.

3. **Include All Hardware** Ensure the purchase includes **bolts, nuts, and washers** of the correct size (likely M8 or M10 based on common tool box standards). If not, add them separately to avoid delays.

4. **Test Load Capacity** If unsure about weight limits, perform a **static load test** (e.g., place a known weight on the tool box) before full use. For very heavy loads (e.g., over 50 lbs), consider reinforcing the vehicle s mounting surface with additional brackets or gussets.

5. **Install Properly** Use **vehicle-grade bolts** (not just any hardware) and torque them to the manufacturer s specifications. If the vehicle s surface is soft (e.g., plastic or aluminum), use **spacers or washers** to distribute pressure and prevent stripping.

6. **Consider Alternatives for High-End Use** If this is for a **performance vehicle, off-roading, or heavy-duty use**, invest in **branded tool box systems** (e.g., Yakima, Thule, or Kurve) that offer load ratings, warranties, and precise fitment.

7. **Read Reviews and Supplier Reputation** Check for feedback on **CarAutoPartsHome s** quality control and shipping reliability. Look for reviews mentioning **weld quality, hole alignment, and customer service** to gauge real-world performance.

**Final Verdict:**

For **budget-conscious DIYers** with basic tools and a moderate load requirement, these brackets are a **good value**. For **serious off-roaders, fleet vehicles, or those seeking long-term reliability**, prioritize **branded solutions** or consult a mechanic to ensure proper installation. Always err on the side of **over-engineering** if in doubt, reinforce the mounting points or choose heavier-duty brackets.

Details:

Brackets that are sold in boxed pairs for immediate use. High quality: Constructed of formed C-channel steel and black powder coated for corrosion resistance.Made Heavy duty Alloy Steel, Sturdy built, Welded-on braces. No instruction included. 2X 8.3 X11.3 Welded Formed Mounting w/ Bolts brackets Steel For Truck Tool Box.

New List Item. Size:The Bracket size: 8.27 high and 11.8 deep;Thickness: 0.16 Inch, width : 3.15 inches;The Screw hole diameter: 10MM. Easy to install:Mounting is also made easy with a universal hole pattern design. 100% brand new, Never been tried or installed.

These truck tool box mounting brackets are designed to mount any Buyers Products steel or stainless underbody boxes. As the picture shown.

part #: 414307050363 price

  • $51.96

specifications otruckbedaccessories:

  • brand: Carautopartshome
  • manufacturer warranty: 6 Months
  • height: 8.3
  • fitment type: Direct Replacement
  • depth: 11.8
  • width: 3.15
  • thickness: 0.16
  • the screw hole diameter: 10mm
  • surface finished: Coated
  • type: Underbody Tool Box
  • material: Stainless Steel
  • color: Black
  • upc: 414307050363

shipping otruckbedaccessories:

  • type: Fixed
  • transit: 3-7 Days
  • cost: $0.00
  • service: Standard
  • class: Standard

offer otruckbedaccessories:

  • availability: In Stock
  • started: March 3, 2026
  • options: Ship-to-home
  • quantity: 10
  • sold: 0
  • best offers: True

returns otruckbedaccessories:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 60 Days

general otruckbedaccessories:

  • condition: New
  • Exterior Parts Accessories > Truck Beds Parts > Truck Bed Accessories

seller otruckbedaccessories:

  • rating: 98.0%
  • city: Los Angeles, California
  • # reviews: 30410

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manufacturer warranty: 6 months, fitment type: direct replacement, thickness: 0.16, the screw hole diameter: 10mm, surface finished: coated, type: underbody tool box,
category: auto parts > exterior parts accessories > truck beds parts > truck bed accessories, color: black, material: stainless steel, depth: 11.8, height: 8.3, width: 3.15, sku: 20799217468860711,
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