Nema 23 Stepper Motor

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  • $40 - 425 oz in, 3Nm (27 in lb)- [1]
  • $30 for 1.9Nm - (17 in lb) [2]
  • Note: 20 tooth pulley = 1/4" radius - so multiply above values by 4 for actual force

Issue

Most motors come with 6.35 mm shaft, not 8. 10 mm are common as well. 8 mm is the unique one.

10 mm Shaft

8 mm Shaft


Shaft stepping

  • Coupler from 6.35 to 10 mm - [8]