
Customization:
With anodized aluminum alloy, you can achieve 30% higher corrosion resistance compared to uncoated steel brackets*, ensuring durability in humid or outdoor environments.
With 4 precisely spaced mounting holes, you can adjust installation angles 50% faster than standard brackets*, enabling quick customization for diverse mounting needs.
Engineered for compatibility with 40x40mm aluminum profiles, you can ensure 100% structural alignment with modular systems*, reducing assembly errors and improving stability.
Designed for angled installations, you can save up to 25% more space in furniture setups requiring non-flat mounting surfaces*, ideal for compact shelving or cabinetry projects.
Manufactured with eco-friendly anodizing treatment, you can meet international environmental standards while maintaining industrial-grade durability*, minimizing environmental impact.

The Black Aluminium Material 4 Hole 4080 Inside Gusset Corner Bracket is a versatile mounting solution designed for applications requiring angled support in non-flat surfaces. Crafted from high-strength 4080 aluminum alloy and featuring an anodized finish, it combines durability with corrosion resistance. Its angular design and four pre-drilled holes enable precise installation in shelving, cabinetry, and industrial frameworks, optimizing space and structural integrity.
| Feature | Specification | Benefit |
|---|---|---|
| Material | 4080 Aluminum Alloy | High tensile strength, lightweight |
| Finish | Anodized Black | Corrosion-resistant, scratch-resistant |
| Design | Angular Gusset with 4 Holes | Customizable mounting angles |
| Surface Treatment | Anodizing | Enhanced durability in harsh environments |
| Application | Industrial Fixtures, Furniture, Shelves | Adaptable to non-flat mounting scenarios |
Adjustable hole spacing to meet specific load distribution needs. Material and finish options (e.g., steel vs. aluminum) can be tailored to balance weight, strength, and corrosion resistance for specialized applications.
With its angular design and reinforced gusset, this bracket transforms uneven surfaces into functional mounting points. Use it to create angled shelves in tight spaces, secure heavy fixtures in workshops, or build modular furniture systems with unmatched stability.
| Parameter | Base Model (Steel) | Advanced Model (Aluminum 6061) | Pro Model (Aluminum 4080) |
|---|---|---|---|
| Material Strength | 250 MPa | +35% (340 MPa) | +70% (425 MPa)* |
| Corrosion Resistance | Passivation | Anodizing | Hard Anodizing (+20% thicker coating) |
| Load Capacity | 50 kg | 70 kg | 100 kg |
Technical Breakthroughs:
Version Selection Guidance:
*Compared to industry-standard aluminum alloys.
| Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
|---|---|---|---|---|
| Material Composition | Industrial shelving, heavy-duty furniture | - Industry Standard: Steel (50 kg/m² load) - Our Base: Aluminum Alloy 6061 (ASTM B221, 100 kg/m²) - Our Advanced: Aluminum Alloy 7075 (ASTM B221, 150 kg/m² ▲▲) | Lighter than steel (Base: 30% lighter; Advanced: 40% lighter ▲) Enhanced durability vs. corrosion | Advanced version may cost 20% more due to premium alloy |
| Surface Treatment | Marine environments, outdoor applications | - Industry Standard: Powder coating (ASTM D3924) - Our Base: Type II Anodizing (ASTM B580, 0.0004" thickness) - Our Advanced: Hardcoat Anodizing (ASTM B580, 0.001" thickness ▲) | Advanced coating resists saltwater corrosion (1000+ hours salt spray test ▲) | Base version may require periodic touch-ups in harsh environments |
| Mounting Flexibility | Custom furniture, angled installations | - Industry Standard: 2-hole brackets (ISO 14972) - Our Base: 4-hole design (ISO 14972) - Our Advanced: 4-hole + adjustable slots (ISO 14972 ▲) | Supports 4+ mounting angles (e.g., 15°–45° ▲) Reduces need for additional hardware | Advanced slots may require专业 tools for fine adjustments |
| Corrosion Resistance | Coastal regions, humid climates | - Industry Standard: Uncoated steel (ASTM B117, 200-hour salt spray) - Our Base: Anodized aluminum (ASTM B117, 500-hour salt spray ▲) - Our Advanced: Anodized + PTFE coating (ASTM B117, 1000-hour salt spray ▲▲) | Advanced version outperforms stainless steel in chloride environments ▲▲ | PTFE coating adds 15% to production time |
| Load Capacity | Warehouse racking, heavy machinery | - Industry Standard: 50 kg per bracket (EN 1993-1-8) - Our Base: 100 kg (EN 1993-1-8 ▲) - Our Advanced: 150 kg (EN 1993-1-8 ▲▲) | Base version supports medium-weight shelving (e.g., office storage ▲) Advanced handles industrial equipment mounting ▲▲ | Overloading may compromise safety margins |
| Design Aesthetics | Modern office furniture, retail displays | - Industry Standard: Boxy, utilitarian designs - Our Base: Angular minimalist profile (ISO 286-1 tolerance) - Our Advanced: Sleek, contoured edges (ISO 286-1 ▲) | Advanced design reduces visual clutter in premium interiors ▲ | Custom aesthetic features may limit compatibility with legacy systems |
⭐⭐⭐⭐⭐ James Wilson - Home Workshop Builder
"I used the Pro Model (Aluminum 4080) brackets to build a wall-mounted shelving system in my garage. The angled design was perfect for securing shelves into uneven corners where standard brackets wouldn’t work. Installation was a breeze thanks to the four precision holes—no guesswork needed. After 6 months of holding heavy tools and power equipment, zero sagging or stress marks. The anodized black finish still looks brand new."Purchase Date: February 2025 | Usage Period: 5 months
⭐⭐⭐⭐⭐ Lena Park - Machine Technician, Precision Fabrication Co.
"We replaced our old steel brackets with the Advanced Model (Aluminum 6061) on our assembly line jigs. The corrosion resistance is outstanding—even with daily exposure to cutting fluids and solvents. The lighter weight reduced strain on moving parts, and the hard anodizing has held up better than stainless steel we used before. We’ve already ordered more for retrofitting other stations."Purchase Date: October 2024 | Usage Period: 7 months
⭐⭐⭐⭐☆ Marcus Reed - Freelance Interior Designer
"Used the Base Model (Steel) for a custom floating bookshelf project in a client’s modern living room. The 4-hole mounting system allowed us to fine-tune alignment on an angled wall, which saved hours compared to custom-fabricated brackets. While the steel model works well indoors, I did notice slight edge wear during installation—probably from tools. For future high-end builds, I’ll upgrade to the aluminum version for smoother finish and lighter handling."Purchase Date: August 2024 | Usage Period: 8 months
⭐⭐⭐⭐⭐ Sofia Alvarez - Retail Fixture Installer
"Installed over 40 Pro Model brackets across three retail locations for display shelves and signage mounts. These are game-changers for modular setups. The compatibility with 40x40mm aluminum profiles means everything snaps together perfectly. Load capacity is incredible—we’re hanging 90+ kg of product displays with no flex. Clients love the clean, minimalist look too. Will be standard in all future contracts."Purchase Date: April 2025 | Usage Period: 2 months
⭐⭐⭐⭐⭐ Daniel Foster - Marine-Grade Furniture Maker
"Built a set of outdoor benches for a coastal café using the Advanced Model with hardcoat anodizing. Exposed to sea spray and humidity daily, and after 5 months, there's zero corrosion or pitting—unlike any aluminum bracket I've used before. The angular gusset adds structural rigidity without adding bulk. Worth every penny for salt-air environments."Purchase Date: January 2025 | Usage Period: 6 months
Average Rating: 4.9/5 ⭐ (89 Reviews)
Dr. Elena Torres - Structural Design Consultant
"For lightweight yet high-strength mounting solutions, the Aluminum 4080 Pro Model stands out. Its 425 MPa tensile strength surpasses many steel alternatives, and the angular gusset distributes stress more efficiently than flat plates. I recommend it for industrial shelving, equipment bracing, and seismic-resistant modular builds."
Michael Tran - Sustainability in Industrial Design
"The eco-friendly anodizing process and recyclable aluminum alloy make this bracket a smart choice for green manufacturing. Combined with its durability and corrosion resistance, it reduces lifecycle waste—ideal for companies aiming to meet ISO 14001 standards."
Posted: 5 days ago
"Used these to mount a floating desk in a slanted attic space. The angle support worked flawlessly. Strong, sleek, and easy to install—felt like using professional hardware without the complexity."
Posted: 10 days ago
"Integrated into my 40x40mm extrusion system for tool racks. The hole pattern matches perfectly, and the load capacity is insane for the size. No wobble even under heavy impact drivers."
Posted: 3 weeks ago
"Very sturdy and well-made. Only reason for 4 stars is that the product didn’t come with torque specs or recommended screws. Had to look up online. Otherwise, excellent performance."
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