A sample from the products for the Exhaust Manifold include: Bolt,flange,10x25, Cover B,exh Mnfld, Stay,exh Mnfld, Gskt,exh Mnfld (nas).
In this schematic the "Nut Self Lock 8mm" is used most often.
The Exhaust Manifold assembly is constructed from several parts from which the Mnfld Assy,exh is the most expensive.