2PCS Aluminum Profile 90° Corner Bracket – 2020 3030 4040S
2PCS Aluminum Profile 90° Corner Bracket – 2020 3030 4040S
Details
2PCS Aluminum Profile Vertical Adjustable Corner Bracket – 2020 / 3030 / 4040S
Build stronger, more precise frames and structures with these heavy-duty adjustable 90-degree corner brackets. Compatible with 2020, 3030, and 4040S aluminum extrusion profiles, these right-angle connectors deliver a rock-solid, accurate 90° joint — perfect for DIY CNC frames, workbenches, shelving units, 3D printer enclosures, and modular industrial assemblies.
Each pack includes 2 pieces, giving you reliable, symmetrical connections wherever you need them. The unequal corner design allows for versatile vertical and horizontal alignment, making them ideal for both standard and custom-profile builds.
Key Features
- Universal Compatibility: Fits 2020, 3030, and 4040S aluminum extrusion profiles
- Adjustable Design: Vertical, unequal-arm bracket allows flexible positioning and precise alignment
- True 90° Right Angle: Ensures square, accurate joints for professional-quality builds
- Durable Aluminum Construction: Lightweight yet strong — resistant to corrosion and daily wear
- Customizable: Available in standard silver finish; contact customer service if you require a black finish
- Pack of 2: Two brackets per order for paired or mirrored connection points
Common Applications
- 3D printer frames and enclosures
- CNC router and laser cutter frames
- Workbench and workshop station builds
- Industrial racking and shelving systems
- DIY furniture and modular assemblies
Specifications
| Compatible Profiles | 2020, 3030, 4040S Aluminum Extrusion |
| Angle | 90 Degrees (Right Angle) |
| Type | Vertical Adjustable Unequal Corner Bracket |
| Material | Aluminum Alloy |
| Finish | Silver (Black available – contact customer service) |
| Customizable | Yes |
| Quantity | 2 Pieces per Pack |
| Country of Origin | Made in Mainland China |
Need a Black Finish?
If you require these corner brackets in black, please contact our customer service team before placing your order and we'll be happy to assist!
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Frequently Asked Questions
Q: Which aluminum extrusion profile sizes are compatible with these corner brackets?
A: These adjustable corner brackets are designed to fit 2020, 3030, and 4040S aluminum extrusion profiles. The versatile unequal-arm design accommodates a range of frame sizes for DIY and industrial builds.
Q: Can I get these brackets in black instead of silver?
A: Yes! These brackets are customizable. If you need a black finish, please contact our customer service team before placing your order and they will arrange the correct finish for you.
Q: How many brackets are included per order?
A: Each order includes 2 corner bracket pieces, making it easy to create symmetrical connections or paired joints in your frame or assembly project.
Q: What are the best uses for these 90-degree aluminum profile corner brackets?
A: These brackets are ideal for 3D printer frames, CNC machine builds, workbenches, modular shelving, industrial racking systems, and any DIY project that requires a strong, precise 90-degree right-angle connection with aluminum extrusion profiles.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.
Materials + Care
We prioritize quality in selecting the materials for our items, choosing premium fabrics and finishings that ensure durability, comfort, and timeless appeal.
Shipping + Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.