The 3-Hole Joining Plate provides a simple, low-profile way to connect sections of 20mm aluminium extrusion, making it useful for strengthening frames and creating custom structural assemblies.
This Adafruit Coupling Plate is a compact joining plate for connecting 20mm slotted aluminium extrusion.
Made from 4mm thick aluminium, it features two 5.3mm mounting holes spaced 20mm apart, making it compatible with M4 and M5 screws for strong, reliable frame assemblies.
Features
Compact joining plate for 20mm slotted aluminium extrusion