Parts such as the Side Cover: Grommet A Side Cover, Mat L,sidecover, Plate R,side Cove, Cover R,side are included in the Cb1000ra 2010 (a) England / Mph Side Cover parts fiche.
In this schematic the "Nut,speed 5mm" is used most often.
The Screw,tapping,4x12 is the cheapest item from this partsfiche.