STEPPERONLINE Nema 23 Stepper Motor 3.0A 269oz.in/1.9Nm 76mm Length Step Motor for CNC Mill Lathe Router - - Amazon.com
Stepper motor - NEMA-17 size - 200 steps/rev, 12V 350mA : ID 324 : $14.00 : Adafruit Industries, Unique & fun DIY electronics and kits
Stepper Motor Fundamentals
High Quality 2-phase 4-wire 42mm Stepper Motor 0.2 N.m 17 Teeth Stepping Motor 1.8 Degrees Stepper Motor Power Motor Accessories - Stepper Motor - AliExpress