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🔧 Build Bold. Connect Confidently. Own the Frame.
This 10-piece Black 90 Degree Inside Corner Bracket Kit by BLCCLOY is designed for 20mm x 20mm aluminum extrusion profiles, featuring precision-engineered aluminum brackets, galvanized carbon steel T-nuts, and stainless steel hex socket cap screws with anti-corrosion finish. Ideal for industrial frames, 3D printers, CNC routers, and robotics, it delivers durable, rust-resistant connections for professional-grade structural builds.






















| ASIN | B09BC1D3H2 |
| Best Sellers Rank | #6,433 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #17 in Brackets |
| Brand | BLCCLOY |
| Brand Name | BLCCLOY |
| Color | Black |
| Colour | Black |
| Customer Reviews | 4.6 out of 5 stars 45 Reviews |
| Finish Types | stainless_steel |
| Finish type | stainless_steel |
| Item Depth | 0.1258 inches |
| Item Dimensions | 20 x 20 x 20 millimeters |
| Item Weight | 454 g |
| Item dimensions L x W x H | 20 x 20 x 20 millimeters |
| Item weight | 454 g |
| Manufacturer | BLCCLOY |
| Manufacturer Part Number | TGLG-20S-2L |
| Material | Aluminum |
| Material Type | Aluminum |
| Model Number | 2020 series extrusion M5 |
| Mounting Type | Corner Mount |
| Set Name | 10pcs 20mm 90 Degree Corner Bracket Set |
| UPC | 796862235376 |
| Unit Count | 10.0 Count |
F**D
Just what I needed
Works as attended. I would definitely buy again.
Y**Z
Truly 20mm by 20mm
Perfect at 20mm x 20mm, not like similar ones that stick out a few mm. That means the hole at the end of a 2020 extrusion lines up. I bought twice now.
T**T
Good stuff
Nice finish and rigid. Hardware that comes with it was good too.
T**.
I have purchased multiple sets.
Super impressed with how well they work!
A**S
Good Deal
Great For Tabletop Mounting System
Trustpilot
3 weeks ago
1 month ago