The added roof beams and short connectors made the joint layout as important as the extrusion length. My purchased connector kit includes T-plates for intersections where one member meets another along its side.
The drilled connectors and fasteners joining my added extrusion to the roof rack.
The item in my kit
I bought 2020 T-Shaped Connector Plates as part of my camper van equipment.
The added roof beams and short connectors made the joint layout as important as the extrusion length. My purchased connector kit includes T-plates for intersections where one member meets another along its side.
Where it fits my build
For the light bar, I cut an added extrusion beam and made three short drilled connectors. The rack side used quarter-twenty hardware, while the smaller 2020 extrusion used M5 hardware.
The different nuts changed the assembly sequence. A rack nut had to slide in through an opening, which meant undoing bolts I had already tightened; the smaller nuts could move and spin while I tried to start a bolt. I used an Allen key to reposition them.
The profiles and joint hardware during my roof-mount assembly.
My build notes
The cutting and drilling made the components, but positioning the small hardware took its own time. I recorded the difference between inserting the rack nuts and fishing the smaller nuts into place because it affected how the joint went together.
The profile, connector shape, bolt and slot nut all contributed to the assembly sequence.
Alternative products
Two alternatives to compare
The L-plate changes the face connection to a corner layout. The inside-corner option occupies a different position within the joint, making these alternatives for different frame arrangements.
Five-Hole 2020 L-Bracket Plates
These flat L-shaped plates have five fastening positions. The kit includes screws and slot nuts for assembling connections with 2020 extrusion.
