In this schematic the "Bolt" is used most often.
Parts such as the Rear Brake Caliper: Pin, Pad, Piston Assy, Caliper, Bolt, Disc, Rear Brake 2 are included in the Yz426f 2000 5jg2 Portugal 105jg-100e2 Rear Brake Caliper parts fiche.
The most expensive part in this assembly is the Caliper Assy, Rear 2.