On this parts fiche the Bolt(6x12) is the most specified component.
A sample from the products for the Rear Fender (dl650 L1 E33) include: Fender,rr, Fender,rr Rr, Screw(6x16), Cover,rr Fender Lwr.
The lowest price component in this Rear Fender (dl650 L1 E33) parts-list fiche is the Screw.