Of all the components that make up this Front Hub the Pin-cotter,3.0x30 has the lowest price.
Some items from this specific schematic: Bolt,10x29.5, Seal-oil,mhsa20x35x7, Collar, Collar,15.2x20x10.
With a quantity of eight pieces, the Bolt,10x29.5 is the most used part in the Front Hub diagram.