APPLICATIONS Examples include laboratory and lifesciences equipment such as DNAsampling, scanning and fluid handlingdevices. Others include engraving, rapidprototyping, inspection, and data storage. Lead screws are also used in heavy liftingapplications when combined with ametallic (typically bronze) nut. Lead screwsare commonly used in linear actuators, machine slides (such as in machinetools), vises, presses, and jacks