The Screw,flat,4x12 is the lowest priced item on this F-2 schematic.
This schematic depicts all components used in the Cr80rb 1996 He04-220 Japan (jdm) F-2 partslist.
A sample from the products for the F-2 include: Bolt,flange,6x22, Cylinder Set,mast, Circlip, Sub Assy,fr M/c.