Different sizes set screws for Bondtech drivegears.
M3x2 used with primary gear with inner diameter 5 mm.
M3x3 used with 17 tooth gear in steel.
M4x3 used with primary gear with inner diameter 8 mm.
In 12.9 quality.
|Set screw size||
M3x2, M3x3, M4x3
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