TR84  2START  Prusa mini Lead screw ZNut
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TR8*4 - 2-START / Prusa mini Lead screw Z-Nut

I had issue with the Lead Screw nut which came with my prusa mini Z stepper motor so i searched ! not easy models ...

similar models —

TR8*4 - 2-START / Prusa mini Lead screw Z-Nut alternatives
Screw with nut
jack jackovic