Hello Please quote 100, 500 and 1000 pcs planatary gearbox sixe 42mm that we can mount on a NEMA17 stepmotor. We need 1 stage gear ratio 5:1 and <1 degree backlash (Low cost) We will use china stepmotor. Can you deliver motor and gear mounted together. Pleae quote price ASAP Read more about our company www.jvl.dk I want to receive: Product Spec . Price Payment .