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Stepper Motor Specifications, NEMA 17 1.8 Degree 200 Steps-per-revolution Four-phase Unipolar Permanent-magnet Stepper-motor
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Amazon.com: STEPPERONLINE Nema 11 Bipolar Stepper Motor 0.67A 14oz.in/9.5Ncm 4 Leads DIY Robot CNC : Industrial & Scientific
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