standard motor thread

Does anyone know what nut fits on the standard motors for arducopter? I lost the locking nut on top of the propeller and I decided to use normal nuts, but is it M4 or M5?

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  • Developer
    Which one motor you have?? AC2830-358 (Magenta color) or AC2836-358 (Yellow color) due they have different size prop adapter.
  • messure it ;)

    4mm diameter -> M4

    5mm diameter -> M5

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