where to get stepper set screws?

somehow the small retaining screws (hex top) that hold the rollers on to the steppers have come out and are gone on one of my motors.
Anyone know the specs for these and where to get them?
It’s the small set screw (2 per motor) that bind the roller on to the stepper stem.


Are you talking about the idler to the shaft? If so I believe they are M3x3mm set screws. They should never come out as long as you position one over the ground flat spot on the shaft. Thread locker helps too

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If you lost them, what you can try is to vacuum your whole shop, then take everything out of the dust bag and run a magnet through the dirt. With a bit of luck you should be able to retrieve them :slight_smile:

Thanks for the direct link Mr Tacos!