Small flat washers are used to spread the load around the mounting nuts in the case of Drop-Through mounted trucks.

We made our own flat washers out of Titamiun. They fit better, resist corrosion, and are thin yet strong.

These washers fit BETWEEN the MOUNTING NUTS and UNDERSIDE of the deck (in the case of drop through decks) to spread the load imposed by the little nut over a larger area. (see pic)

If you are top mounting a drop-thru deck, it is highly recommended that you do use these washers on the top side of the deck, below the bolt head, this is because the holes have very thin walls on the side facing the drop-thru cut out, and may get damaged if you countersunk a bolt head in them.

These can also be used BETWEEN the BASEPLATE and the TOP of the deck to serve 2 purposes: 1) ensures that the truck is not sitting on any raised lettering/branding of the baseplate, and is sitting at the bolt holes instead. 2) lowers the ride height of the board, (it works like a reverse riser pad)

Another use for these is on top mounts where the bolt holes are damaged or enlarged so much that a bolt head sinks right in. In this case the washer is fitter under the bolt head.

- Price is $1 for 1 washer, $8 for a set of 8.

dimensions:
Inner Diameter 5mm, Outer Diameter 13mm, Thickness 1mm.