The Bolt,hex., 6x16 is the cheapest item from this partsfiche.
A sample from the products for the F-5 Front Fender include: Screw Cross 6x14, Bolt,hex 6x12, Fender,fr.*nh-24*, Fender,fr.*nh-24*.
This F-5 FRONT FENDER assembly utilises four Rubber,fr-fend.mt(s) - the highest specified component.