Parts such as the Winker (2): Coller 4.5mm, Screw,tapping 4x1, Screw Tapping 4x4, Stay Winker are included in the Cb500 1998 (w) Austria Winker (2) parts fiche.
In this schematic the "Coller 4.5mm" is used most often.
Of all the components that make up this Winker (2) the Screw,tapping 4x1 has the lowest price.