Ten Pack 20mm Aluminum T-Slot Corner Brackets for 90 Degree
✔️ Ten 20x20x17mm aluminum brackets with M5 bolts & nuts

These heavy-duty black aluminum corner brackets join 20mm extrusion profiles at a right angle, enabling sturdy frames for DIY projects, 3D printers, CNC machines, robotics enclosures, and workstations.

✅ 10 black aluminum extrusion corner brackets (17x20x20mm)
✅ 20 M5 T-slot nuts and 20 M5x8mm bolts
✅ Compatible with 20mm extrusion profiles (2020/2040/20 series)
✅ Black finish provides corrosion resistance and durable hardware
✅ Ideal for 3D printers, CNC routers, robotics frames, and workstations

💡 What is a 20mm extrusion corner bracket used for in modular framing?

These handy brackets lock 20mm profiles at right angles to build rigid frames quickly.

- Handy for 90-degree joints in 20mm extrusion frames - Includes M5 nuts and bolts for quick assembly with 20 series profiles - Ideal for assembling frames for 3D printers, CNC machines, robotics, and workstations