In this schematic the "Bolt-upset-ws,10x16" is used most often.
Of all the components used in this assembly the Panel-assy-brake,fr,l is the most expensive.
A sample from the products for the Front Hubs/brakes include: Nut,18mm, Retainer-assy,lh, Bolt,flanged,6x12, Bolt-upset-ws,10x16.