In this schematic the "Washer,plain, 6mm" is used most often.
A sample from the products for the Front Fender include: Washer,plain,6mm, Washer,plain, 6mm, Bolt,hex 6x12, Bolt,hex 6x25.
The Front Fender is made up of components including this Fender Comp,fr. which is the most expensive.