NEMA17 - KS42STH34-1504A Stepper Motor - 1.5A - 34mm is the most popular motors used to build 3D printers, milling machines, plotters and other electronically controlled devices
NEMA17 – KS42STH40-1204A Stepper Motor – 1.2A – 40mm is a high quality 1.2A NEMA-17 precision stepper motor that is commonly used in 3D printers, CNC machines and other applications that require precise control.
NEMA17 Stepper Motor-48mm – KS42STH48-1684A for high torque applications. Ideal Motor for ATM machines, 3D printers, Peristaltic pumps and job positioning and rotating applications. Standard NEMA 17 frame size.