Geeetech

The Z axis coupling I received is 8mmX8mm not 8mmX5mm. When it fits onto the stepper motor shaft the coupling has a wobble because it cannot be centered on the shaft with only two set screws 90° opposed. I can make my own spacer or amazon a new one if these won't work well. I haven't got the unit fully assembled but I Don't want to get too far if a wobbly shaft will cause issues down the road.

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Also as you can see my fingers are very dirty. Whatever is used to paint the components black needs some reevaluating. I already washed my hands before the picture too. It was everywhere
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Hello.


Contact your dealer. Describe the problem, submit a photo.
You can ask to replace the item with the correct one.