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🖤 Build Bold, Build Sleek — The Invisible Backbone of Your Next Project
This 20-piece set of black electrophoresis zinc alloy L-shaped corner brackets is designed for 20 series aluminum extrusions with 6mm slots. Each kit includes 20 brackets, 40 M5 set screws, and a wrench, offering a rustproof, abrasion-resistant, and concealed mounting solution ideal for industrial frames, 3D printers, CNC routers, and robotics projects.






















| ASIN | B08D6T9CGN |
| Best Sellers Rank | #2,607 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Hardware Brackets |
| Brand | BLCCLOY |
| Brand Name | BLCCLOY |
| Color | Black |
| Customer Reviews | 4.4 out of 5 stars 306 Reviews |
| Finish Type | Powder Coated |
| Finish Types | Powder Coated |
| Included Components | 20 series aluminum extrusion l bracket., 2020 series m5 set screw. |
| Item Depth | 0.2362 inches |
| Item Dimensions | 1.02 x 0.37 x 1.02 inches |
| Item Weight | 0.22 kg |
| Item dimensions L x W x H | 1.02 x 0.37 x 1.02 inches |
| Manufacturer | Tongling Hardware |
| Manufacturer Part Number | Tongling-JC-20 |
| Material | Zinc |
| Material Type | Zinc |
| Model Number | 2020 series extrusion M5 |
| Mounting Type | Corner Mount |
| UPC | 796862233273 |
| Unit Count | 20 Count |
K**O
Good value, easy to use.
Used to build my kitchen cabinet in my van. Very light weight. I did need to add a back panel to stabilize it. The standalone frame is not meant for heavy weight. Worked great for my purposes.
L**D
Fantastic
I'm thoroughly impressed by how well these held up in my project. I was demanding more than their allocated weight, and they hold up no problem.
R**R
Good, but can be hit or miss.
I like these as I have found them to be generally convenient and durable for heavy-duty use. However, I recently encountered significant quality control issues with several pieces. Of the three sets I bought, I encountered one in which several screws absolutely refused to thread all the way through the bracket. By the end of that pack, I was left with 4 brackets and no more usable screws. If it weren't for the extras that came in the other two packs, I'd be down a fifth of a set.
D**I
Helped square the machine for smoother motion
I bought these for the Ender 5 I own. It's still in pieces at the moment but these corner brackets work exactly as specified. They helped me make the entire printer more square than before my tinkering. The Y axis motion is smoother due to being more square. Absolutely a breeze to use. They sit inside the frame, so they are not unsightly like the original corner brackets. Remember to use thread lock on the grub screws.
J**S
Some may not be tapped correctly
The brackets are very sturdy for their size. I've purchased three sets of these so far. For the first two sets I'd give it 5 stars, but the latest set had a problem. Usually the screws go in very easily, but the most recent set had seven that required a lot of force to get the screw to insert all the way into the bracket. The picture is of those seven. My best guess is that they weren't tapped correctly. I may have to use them anyway, but I'm avoiding them for now. Theoretically they will still work, but they're a pain to work with.
T**L
GREAT PRODUCT.
Great product for the 2020 extruded aluminum
D**E
Exactly as described.
These are nice quality and make a perfect 90 degree internal mounting bracket on 2020 extrusion. These seem sturdy enough for most applications of 2020 extrusion.
C**O
It works well
Works well will my 2020 aluminum. It is sturdy and reasonably priced
A**N
J aurais aimé que les équerres soit plus grande
J aimerais savoir si il y a des équerres plus grandes mais qui a 6 mm la même mesure mais plus long de chaque cote
P**.
Excelente Calidad
Es un buen producto y al empacarlo no se dañó.
Trustpilot
2 months ago
2 weeks ago