Of all the components that make up this Frame the Bolt,flange(4my) has the lowest price.
The thirty Xtz660 (25kw) 1994 4nw1 Germany 244my-332g1 Frame component parts are all listed in this schematic.
A sample from the products for the Frame include: Bolt, Flange (24m), Frame Comp., Bolt, Washer Based (39e), Nut, Crown(3bm).