In this schematic the "Bolt, Hexagon Sock" is used most often.
five components are listed in the schematic for this Yq50 2011 1bx3 Europe 1k1bx-300e2 31 Generator .
A sample from the products for the 31 Generator include: Bolt, Hexagon Sock, Stator Assy, Washer, Plain, Nut, Hexagon (1w1).