nema23 stepping motor 23hs2004s 23hs2004b 23hs2004sd8 0.55n.m 41 mm length 2.4 v 1.8 degree single or dual or 8 mm shaft stepper

the stepper motor is driven by a set of coils wound around the fixed part of the motor, the stator slot. usually, a wire wound in a loop is called a solenoid, and in a motor, a wire wound around a tooth is called a winding, a coil, or a phase.