CRA66-A/B/C CNC Router Rotary Indexer 4th Axis 6:1 with 3-jaw Chuck and 57 Stepper Motor 250 Oz-in - YouTube
SD17060E-K Integrated AC Stepper Motor Controller and Drive l AMCI
Rotary indexer - RA series - Sankyo America - cam / for stepper motors / servo-driven
Compumotor Corporation CX-DO Stepper Motor Driver/Indexer RS-232 9-12V/12-90V DC | eBay
Rotary Index Unit Nema 17 Stepper Motor Hollow Shaft Stepper Motor - Buy Nema 17 Hollow Shaft Stepper Motor,Rotary Indexer,Rotary Table Product on Alibaba.com
Electronic (Arduino) Rotary Indexer - Another One | Home Model Engine Machinist Forum