Not an answer to the question, but they are all likely to use different screws than what we home mechanics are used to: https://en.m.wikipedia.org/wiki/ISO_met

Not an answer to the question, but they are all likely to use different screws than what we home mechanics are used to: https://en.m.wikipedia.org/wiki/ISO_metric_screw_thread https://en.m.wikipedia.org/wiki/ISO_metric_screw_thread > Superfine pitch metric threads are [...] commonly used in the aviation manufacturing industry.