





🖤 Build Bold. Connect Strong. Own the Frame.
This 12-set kit features 4040 series black aluminum corner brackets paired with 24 M8 carbon steel T nuts and screws, plus a wrench for easy assembly. Designed for 90° connections, it ensures durable, polished, and precise framing ideal for CNC machines, 3D printers, robotics, and industrial projects.






| Finish Type | Polished |
| Unit Count | 12.0 Count |
| Mounting Type | Corner Mount |
| Manufacturer | Qijin |
| UPC | 771077162846 |
| Part Number | JMTNUTBlack-4040-12-FBA |
| Item Weight | 1.98 pounds |
| Product Dimensions | 1.38 x 1.38 x 1.1 inches |
| Item model number | JMTNUTBlack-4040-12-FBA |
| Size | 12Sets Black with Screws |
| Finish | Polished |
| Batteries Included? | No |
| Batteries Required? | No |
M**O
Why is the hardware so greasy
Works for what I needed in a pinch but tabs can't be broken to make flush if you plan to mount other than intended photo. The screws also literally drenched in grease but ended up using other ones I had.
C**R
Not very nice
The product castings are very shoddy not smooth
Trustpilot
5 days ago
1 week ago