Stepper motor - NEMA-17 size - 200 steps/rev, 12V 350mA : ID 324 : $14.00 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: Nema 17 Stepper Motor,Quimat Stepper Motor Bipolar 0.4A 36.8oz.in(26Ncm) 34mm Body 4-Lead w/ 0.3m Cable and Connector for 3D Printer/CNC : Industrial & Scientific
Stepper Motors and Encoders - Data Sheet - National Instruments
Guide to NEMA 17 Stepper Motor Dimensions, Wiring Pinout
NEMA17-13-04SD-AMT112S Datasheet - Stepper Servo Motors | CUI Devices
STEPPERONLINE Short Body Nema 17 Stepper Motor 1A 24oz.in 42x23mm CNC 3D Printer | eBay