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The 7-Hole Cross Joining Plate provides a simple way to connect multiple sections of 20mm aluminium extrusion, making it ideal for strengthening frames, supports, and custom structural assemblies.
Attach multiple pieces of 20mm slotted aluminium extrusion together with this 7-hole cross joining plate. The plate measures 100mm long × 60mm wide and is 4mm thick. It features 5.3mm diameter holes spaced 20mm apart, allowing it to be used with either M4 or M5 screws. For mounting to 20mm extrusion, we recommend using 10mm long screws.












