A
Anonymous
Mar 31, 2026
Rating: 4/5
Good value
Slightly tight fit on the 4040 profile but manageable with a mallet.
Description
This adjustable corner bracket connects aluminum profiles at variable angles for custom frame construction. It features a swivel design that allows precise angle adjustment before tightening, compatible with 2020, 3030, 4040, or 4545 series extrusions depending on the specific variant selected. The durable metal construction ensures stable joints for DIY projects and industrial assemblies. Ensure the profile size matches your specific bracket variant before installation to guarantee a secure fit.
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | Aluminum Alloy 6063 |
| Surface Treatment | Anodized Silver |
| Compatible Profiles | 2020 / 3030 / 4040 / 4545 Series |
| Angle Adjustment Range | 0 to 135 Degrees |
| Thread Specification | M5 / M6 / M8 (Varies by Size) |
| Package Quantity | 4 Pieces per Pack |
| Color | Silver |
| Unit Weight | 45g (for 2020 size) |
| Max Load Capacity | 15 kg per Bracket (Static) |
| Country of Origin | China |
5 reviews
A
Anonymous
Mar 21, 2026
Rating: 5/5
Perfect for my CNC frame
Fits the 2020 profiles perfectly. Very sturdy connection and easy to install.
A
Anonymous
Mar 13, 2026
Rating: 5/5
Solid construction
Using these for a workbench frame. No wobble at all once tightened.
A
Anonymous
Feb 16, 2026
Rating: 5/5
Adjustable angle is a lifesaver
Needed a non-90 degree corner for my project. This worked flawlessly.
A
Anonymous
Jan 31, 2026
Rating: 4/5
Good quality, missing screws
The bracket itself is great metal, but I had to buy M5 nuts separately.
5 FAQ
Q: What hex key size do I need?
A: Typically a 4mm or 5mm Allen key depending on the screw used.
Q: Is the angle lockable?
A: Yes, once tightened, the angle remains fixed securely.
Q: Can I use this for 2020 V-Slot rails?
A: Yes, it is compatible with standard 20mm series profiles.
Q: Do you ship internationally?
A: Yes, we ship to most countries via standard postal services.
Q: Does this come with the T-nuts?
A: No, brackets are sold separately from fasteners.
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