Supermicro 846A rack ear "stud" replacements?

Does anyone know on the right side of the chassis if its possible to get replacement studs after the ear has been broken off? I can’t seem to find a part number. I can find replacement ears but not the studs.

I also need to find a set of MCP-290-00014-00 rails but that’s going to be impossible for a sane cost.

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