The Screw,oval,5x18 is the lowest priced item on this Meter schematic.
Parts such as the Meter: Screw-washer,3x10, Plate Reflecting, Socket,comp, Meter Comp,comb are included in the Sh150 2005 (5) European Direct Sales / Type 2 Mkh Meter parts fiche.
The Screw,tapping,3x12 is the most widely applied product in the SH150 2005 (5) EUROPEAN DIRECT SALES / TYPE 2 MKH METER ( ten times ).