High Torque Stepper Motors range from 0.01 to 50Nm by JVL
China Nema34 Closed Loop Stepper Motor Easy Servo Motor Big Torque 12Nm With 1000PPR Encoder Manufacturer, Supplier and Factory - ECON Technology
Stepper Motor - NEMA-23 Size with 9mm GT2 Pulley [140 oz/in 2.8A] : ID 5117 : $24.95 : Adafruit Industries, Unique & fun DIY electronics and kits
3D Printed NEMA 17 stepper motor mount strong by endlesspoland | Pinshape
42mm NEMA 17 Strong Torque Hybrid Stepper Motor - China NEMA 17 Stepper Motor, 42 mm Stepper Motor | Made-in-China.com
The ultimate guide to buy the perfect stepper motor | by Sergio Martinez | Medium
Two phase Four wire Stepper Motor Strong Magnetic 25mm Stepper Motor with Metal Gear, Reduction Ratio 1:12, Step Angle 15 Degree|Stepper Motor| - AliExpress