Anonymous
Mar 28, 2026
Rating: 5/5
Exactly as described
Fits both European and national standard profiles as advertised. Fast shipping and well-packaged to prevent damage.
Description
Reviews
| Brand | - |
| Category | Standard Parts, Components & Industrial Consumables / Assemblies and Fasteners |
| Origin | - |
| Material | High-Grade Aluminum Alloy 6063-T5 |
| Compatible Profiles | 2020, 3030, 4040, 4545 Series |
| Connector Type | Internal L-Shaped Right-Angle |
| Standard Compliance | European and National Standards |
| Surface Finish | Anodized Silver |
| Installation Method | Hammer-in with T-Nut and Bolt |
| Load Capacity | Suitable for medium-duty framing |
| Package Contents | Connectors, T-Nuts, and Bolts included |
| Application | DIY CNC, Workbenches, Safety Guards |
| Corrosion Resistance | High resistance to oxidation |
Anonymous
Mar 28, 2026
Rating: 5/5
Exactly as described
Fits both European and national standard profiles as advertised. Fast shipping and well-packaged to prevent damage.
Anonymous
Mar 27, 2026
Rating: 5/5
Sturdy construction
Built a workbench using these internal corners. The structure is very stable and doesn't wobble at all. Highly recommended for serious projects.
Anonymous
Mar 15, 2026
Rating: 5/5
Clean look
I love that these are internal connectors; they keep the outside of the frame clean and smooth without protruding brackets.
Anonymous
Mar 14, 2026
Rating: 4/5
Good value but tight fit
The build quality is excellent for the price. They were a bit tight on my 3030 profiles initially, but a gentle tap with a rubber mallet solved it.
Anonymous
Mar 13, 2026
Rating: 4/5
Solid hardware
The bolts and nuts provided are decent quality. One connector had a minor scratch, but it doesn't affect functionality since it's hidden inside.
Anonymous
Mar 04, 2026
Rating: 5/5
Perfect fit for my 4040 frame
These connectors slid in smoothly and held the angle perfectly rigid. Great quality aluminum and the hardware kit was complete.
Q: Will this work with 20mm x 20mm profiles?
A: Absolutely, this connector set is compatible with the 2020 series along with 3030, 4040, and 4545 profiles.
Q: Do these come with the necessary screws and T-nuts?
A: Yes, each package includes the appropriate T-nuts and bolts required for installation.
Q: Is the material strong enough for a standing desk frame?
A: Yes, made from 6063-T5 aluminum alloy, these are suitable for medium-duty applications like standing desk frames when used with adequate support legs.
Q: Can I reuse these if I disassemble my frame?
A: Yes, they can be removed and reused, though care should be taken not to strip the threads on the bolts during removal.
Q: What tool is needed to install these?
A: You typically need a rubber mallet to tap the connector into the profile slot and an Allen wrench or screwdriver to tighten the bolt.