Nema 23 High Torque Step Motor 23HS30-2804S L 76 mm With 1.8 deg 2.8 A 189 N.cm Torque 4 Lead Wire Stepper Motor - AliExpress
NEMA 23 High Torque Stepper Motor, 1.8°, 4 or 8 Wires
Nema 23 Stepper Motor - High Torque - 1.8degree/step, 345oz-in
Wholesale Hot Sales High Torque Stepper Motor 23HS33 4008S L 84 Mm Nema 23 With 1.8 Deg 4 A 200 N.Cm And Bipolar 8 Wires From Eric4wisemotion, $434.58 | DHgate.Com