57 Stepper Motor Nema 23 Mask Machine 57BYG250B Torque 1.2NM Length 56MM Two-phase 4-wire 3A Engraving Machine 3D Printer Motor
USD 8.60
57 Stepper Motor Nema 23 Mask Machine 57BYG250B Torque 1.2NM Length 56MM Two-phase 4-wire 3A Engraving Machine 3D Printer Motor