A sample from the products for the Front Fender include: Screw(6x16), Fender,fr, Fender,fr, Washer(6.3x16x1.5).
The lowest price component in this Front Fender parts-list fiche is the Washer(6.3x16x1.5).
In this schematic the "Screw(6x16)" is used most often.