Parts such as the F-20: Screw,tapping,5x16, Set Illust*type1*, Bolt,flange 6mm, Mud Guard are included in the Crf70f 2011 (b) Japan De02-240 F-20 parts fiche.
On this parts fiche the Bolt,flange 6mm is the most specified component.
This Set Illust*type1* is the most expensive of the items that make up this F-20 assembly.