What's included 1pc T8 lead screw and 1pc matching nut Key benefits Converts rotary motion into smooth, controlled linear motion for precise positioning. Simple dropin solution for systems that use T8 leadscrew geometry. Includes the nut so you can install and test immediately without sourcing additional parts. Product highlights Type: Trapezoidal screw — the trapezoidal thread profile provides dependable loadcarrying capacity and repeatable travel. Function: Intended to transfer rotational input into linear travel for Z axes, stages, actuators, and similar mechanisms. Compatibility: Designed for use with standard T8 leadscrew systems and common T8 couplings, supports, and bearings. Performance: Provides consistent linear motion and straightforward mechanical integration when used with compatible components. Typical applications Zaxis drive for desktop FDM 3D printers where reliable vertical motion and easy replacement are needed. Linear drive element in small CNC routers or DIY milling and engraving machines. Actuator or positioning stage in hobby robotics, lab fixtures, or automated fixtures requiring predictable linear travel. Installation and use tips Pair with compatible T8 couplings, supports, and bearings for results. Mount the supplied nut securely and check alignment to minimize binding and uneven wear. Regularly inspect and lubricate as appropriate for your application to maintain smooth motion. Why this part A straightforward, compatible T8 trapezoidal leadscrew assembly that includes the essential nut for quick installation and reliable linear motion.