AMS offers BM Series NEMA 23, NEMA 17, and NEMA 34 high torque stepper motors. BM23-76-S motors have holding torques ranging from 76 to 262 oz-in, ambient temperatures ranging from -20 to +50°C, a 1.8° step angle, a 78N maximum radial force, and they have leads ranging from 4 to 6.