The Bolt,flanged,6x12 is the cheapest item from this partsfiche.
A sample from the products for the Front Master Cylinder include: Bolt,bolt,6x25,w/wash, Cylinder-assy-master,, Diaphragm, Washer,10.5x15x1.5.
This schematic depicts all components used in the Ar80c3 1985 Usa / Mph Front Master Cylinder partslist.