These 3/16"-200, 1/2 in (0.50") long screw and matched 7/16 in (0.438") long bushing pairs are ideal for the most sensitive applications. With a pitch of 127 µm/revolution, micron and better resolution is attainable. These matched fine adjustment sets have the smoothest, most accurate movement available.
These screws are sold pre-paired to a bushing at the factory to assure the tightest fit possible and prevent debris from being caught in the threads. Upon request, bushing can be oriented in the opposite direction.