c177ed05_Stepper_vs_Servo_Motors_Stepper_Vs__Servo_Motors_Stepper__Hybrid_
[Characteristics] Overload Safety [Servo Motor (DC Brushed] Servo motors may malfunction if overloaded mechanically. [Stepper (Hybrid)] 
Stepper motors are unlikely to be damages by mechanical overload.
Stepper vs Servo Motors
Stepper (Hybrid)