On this parts fiche the Screw-pan Head,6x14 is the most specified component.
Parts such as the Fenders: Brace,front Fender, Nut,6mm, Washer-plain,7mm, Collar-rear Fender are included in the Kh400a5 1978 Usa Canada Fenders parts fiche.
The Washer-plain,6mm is the lowest priced item on this Fenders schematic.