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Also known as single-start and self-locking lead screws and nuts, these have a single thread that runs the length of the screw. The nut travels only when the screw turns, so your system won't unexpectedly move when the lead screw is at rest.
Multiple thread channels (also known as thread starts) create faster linear travel than lead screws with a single thread start.
Also known as trapezoidal-thread lead screws and nuts.
Thread these one-piece collars onto an Acme lead screw.
Mount these two-piece collars anywhere on an Acme lead screw without removing components.
Install these threaded collars on a metric lead screw to separate and position components, or use them as an end stop to limit travel.