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The BLCCLOY 8Pcs 2020 Aluminum Extrusion T Slot Corner Bracket set offers industrial-strength zinc alloy connectors designed for 20x20mm aluminum profiles. Featuring a powder-coated finish and a complete hardware kit, these 3-way tri connectors enable precise 90° framing for applications in 3D printing, CNC machines, and robotics. Highly rated and compatible with most 6mm slot extrusions, this set is a must-have for professional-grade structural builds.






















| ASIN | B08C9Q2TGW |
| Best Sellers Rank | #2,459 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Hardware Brackets |
| Brand | BLCCLOY |
| Brand Name | BLCCLOY |
| Color | Black |
| Customer Reviews | 4.5 out of 5 stars 159 Reviews |
| Finish Type | Powder Coated |
| Finish Types | Powder Coated |
| Included Components | 20 series aluminum extrusion bracket, 2020 m4 set screw. |
| Item Depth | 2.0 centimeters |
| Item Dimensions | 0.78 x 0.78 x 1 inches |
| Item Weight | 0.21 kg |
| Item dimensions L x W x H | 0.78 x 0.78 x 1 inches |
| Manufacturer | Tongling hardware |
| Manufacturer Part Number | TL-3 way-B |
| Material | Zinc |
| Material Type | Zinc |
| Model Number | 2020 series extrusion |
| Mounting Type | Shelf Mount |
| UPC | 796862234652 796862233884 |
| Unit Count | 8 Count |
D**C
Fits perfectly
BLCCLOY 8Pcs 2020 Aluminum Extrusion T Slot Corner Bracket These worked a lot better than I thought they would. I am pleased.
D**C
Worth the money
I’m really impressed with these BLCCLOY Aluminum Extrusion Corner Brackets. They have a nice, solid weight to them, and the black finish looks much cleaner than the standard silver ones you usually see. I used them for a custom frame project, and they lined up perfectly with the 20 series profiles without any awkward gaps. The set screws hold tight, and honestly, for a pack of eight, the value is hard to beat. If you're looking to stiffen up a 3D printer frame or a small rig, these do the job exactly how you'd hope.
H**R
Solid bracket
Solid. Not used for intended project
M**S
great product
Great quality product and was a exact fit. It can be used in many different way.
E**K
Easy to use and works great.
I'm using 20x20 aluminum extrusions to build and open-air case for the computer I'm putting together. These corner brackets are working great and are easy to use. Just kind of expensive so I took off a star. I would buy these again and will for my next project with extrusions.
S**Y
Great
They were great
P**K
Shipped quick. Everything was there
Corner joint for 20x20 aluminum. As expected.
G**R
Fragile but works
Very fragile but works well
J**S
Excellent and Effective
These corner brackets for 2020 aluminum extrusion are sturdy and well-machined, and fit perfectly. They come with all necessary hardware and with a small Allen wrench, and hold aluminum extrusion snugly without wiggling or looseness.
P**.
Excelente Calidad
Es un buen producto y al empacarlo no se daño.
R**K
Good quality. Fast shipping
Good quality. Fast shipping
A**R
Great bracket
Great product worked as described
A**O
CNC
Piezas perfectas para ensamblar perfiles de aluminio 20X20
Trustpilot
2 months ago
1 month ago