







🖤 Build Bold, Build Black: The Invisible Backbone of Your Next Project
This 20-piece set of black L-shape interior corner brackets with screws is engineered for 20x20 series aluminum extrusion profiles with 6mm slots. Made from electrophoresis zinc alloy, these concealed braces provide rust-proof, abrasion-resistant strength for industrial frames, 3D printers, CNC routers, and robotics. The kit includes 40 set screws and a wrench for immediate, precise assembly.





| Finish type | Black |
| Item depth | 0.2362 inches |
| Mounting type | Corner Mount |
| Manufacturer | BLCCLOY |
| UPC | 796862233273 |
| Set Name | 20pcs set |
| Part number | Tongling-JC-20 |
| Item Weight | 222 g |
| Product Dimensions | 2.59 x 0.94 x 2.59 cm; 222 g |
| Item model number | 2020 series extrusion M5 |
| Size | 20pcs black with screws |
| Color | Black |
| Finish | Black |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |
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