SM1001 NEMA 4 stepper motor, View 5v stepper motor, QQM stepper motor Product Details from Guangzhou QQM Electronic Technology Co., Ltd. on Alibaba.com
Amazon.com: Usongshine Nema 17 Stepper Motor Bipolar Step Motor for Titan Extruder 3D Printer 4.1V 1A 13Ncm (18.4oz.in) 4 Lead 1.8 Deg with 1m Cable (17HS4023) : Electronics
Dual Shaft Nema 24 Stepper Motor 4.2A 4Nm (566 oz.in) 60x60x100mm 4 Wires - 24HS39-4204D|STEPPERONLINE