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This set of 20 black L-shape interior corner brackets, made from electrophoresis zinc alloy, offers rust-proof durability and abrasion resistance. Designed for 20x20mm aluminum extrusion profiles with 6mm slots, the concealed design ensures a clean, professional finish. Complete with 40 screws and a wrench, it’s perfect for industrial frames, 3D printers, CNC machines, and robotics projects.











| ASIN | B08D6T9CGN |
| Country of Origin | USA |
| Finish Type | Alloy |
| Item Depth | 0.2362 inches |
| Item Dimensions LxWxH | 26 x 9 x 26 Millimeters |
| Item Weight | 222 g |
| Item model number | 2020 series extrusion M5 |
| Manufacturer | Tongling Hardware |
| Mounting Type | Corner Mount |
| Net Quantity | 20.0 Count |
| Product Dimensions | 2.59 x 0.94 x 2.59 cm; 222 g |
| Set Name | 20pcs |
| UPC | 796862233273 |
A**N
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**.
Es un buen producto y al empacarlo no se dañó.
D**I
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.
V**M
These work well and are sturdy for interior joints. But they fit quite tightly. I was mounting a cross bar between two pieces of extrusion and trying to slide it to align it properly, but even when fully unscrewed, these brackets are very hard to move.
C**O
Works well will my 2020 aluminum. It is sturdy and reasonably priced
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