The lowest price component in this Clutch Master Cylinder parts-list fiche is the Screw,flat,4x12.
The St1100a Paneuropean 1994 (r) European Direct Sales / Kph Clutch Master Cylinder consists of twenty-four pieces with the Sub Assy,clutch M being the most expensive.
In this schematic the "Washer,oil Bolt" is used most often.