I've always been more about precision than insane rapid speeds, but this 3/8 ball screw has .125" lead. Typical stepper @ 24V does about 850rpm. So that would mean 1.0625"/sec or 63.5"/min? @ 48V it would be 2.125"/sec or 127.5"/min according to Stepper Motor Calculator Anybody have any experience using a ball screw like this? '