Amazon.com: STEPPERONLINE Nema 8 Bipolar Smallest Stepper Motor 1.6Ncm/2.3oz.in 1.8deg 28mm 0.2A 4 Leads : Industrial & Scientific
Flat Motors | Ultraflat Stepper Motors | NANOTEC
108990003 Seeed Studio | Seeed Studio Small Size and High Torque Stepper Motor-24BYJ48 for 24BYJ48 for Air Conditioner Louver, Automatic | 179-3741 | RS Components
Low-cost tin-can stepper motors from Nippon Pulse feature high torque and compact size
Small Stepper Motor - ROB-10551 - SparkFun Electronics
Using BIG Stepper Motors with Arduino | DroneBot Workshop