Disclosed herein is a step motor, including a lead screw, a rotor fixed to an outer surface of the lead screw, a fixture containing a stator disposed to face the rotor and a housing whose one side end part is open to insert the stator and wrap the stator, and a bracket having a bracket body of a plate shape on which the housing is disposed and a bending part bent towards the one side end part of the housing from the bracket body.