The lowest price component in this F-7 parts-list fiche is the Bolt,flange,6x25.
In this schematic the "Collar,fender Mtg" is used most often.
Parts such as the F-7: Bolt,flange,6x25, Washer,fender Mt., Fend,fr *nh-138*, Collar,fender Mtg are included in the Xlr250r2 1985 (f) Japan Md16-100 F-7 parts fiche.