This product is miniature 2‑phase 4‑wire stepper motor with planetary gearbox reducer. Item Type: Stepper Motor. 20mm / 0.8in. Step Angle: 18°. Phase Resistance: 21Ω. Screw Pitch: Approx. 0.5mm / 0.02in (moving 0.025mm in one step, subdivision drive can be used if smaller).
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