My washer purchases cover several metric sizes as well as inch hardware. This M6 pack is part of that range, with the roof projects providing context for the many small attachment details.
The drilled connectors and fasteners joining my added extrusion to the roof rack.
The item in my kit
I bought M6 Stainless Flat Washers as part of my camper van equipment.
My washer purchases cover several metric sizes as well as inch hardware. This M6 pack is part of that range, with the roof projects providing context for the many small attachment details.
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 black M6 fender washers provide a wider outside diameter. Glarks offers several metric sizes in one divided assortment.
binifiMux Black M6 Fender Washers
These black M6 washers have an eighteen-millimeter outside diameter. Their wider disk gives a different contact footprint from a smaller M6 flat washer.