With a quantity of three pieces, the Bolt,flange,6x20 is the most used part in the FAN COVER/SHROUD diagram.
Some items from this specific schematic: Bolt,flange,6x12, Shroud Comp. A, Cover Comp.,fan, Shroud Comp B..
Of all the components that make up this Fan Cover/shroud the Bolt,flange,6x20 has the lowest price.