YEJMKJ Ratio 20:1 Planetary Gearbox for Nema 17 Stepper Motor 42-66mm Backlash 20 arcmin Input Shaft 25.5mm φ5mm Planetary Reducer for 42 Step Motor incl. 4 Screw 2 Plug 1 Key CNC 3D Printer DIY
Specification
| Brand | YEJMKJ |
| Condition | New |
| ASIN | B0FHHW1F3K |
How this price compares
Higher than this normally costs.
Price now
£69.37
Typical over 12 months
£68.33
Typical over 90 days
£68.33
Against the 12-month typical
2% dearer
It was cheaper than this for 76% of the last year.
“Typical” is a time-weighted median of the real price history — the price this product held for most of the period, not an average. We use the median because averages are distorted by short spikes. How we rank
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