acme-threaded lead screw

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Acme thread form — Acme threads are a common screw thread profile, which offers high strength with ease of machining and assembly. Typically found where large loads or accuracy is required as in vises or the lead screw of a lathe. Standardized variations include… … Wikipedia
Screw thread — Internal and external threads illustrated using a common nut and bolt. The screw and nut pair can be used to convert torque into linear force. As the screw (or bolt) is rotated, the screw moves along its axis through the fixed nut, or the non… … Wikipedia
Ball screw — A ball screw is a mechanical device for translating rotational motion to linear motion. A threaded shaft provides a spiral raceway for ball bearings which act as a precision screw. As well as being able to apply or withstand high thrust loads… … Wikipedia
Thread pitch gauge — Threading gauges, pictured on the right, are also referred to as pitch gauges and are used to measure the pitch or lead of screw threads. The uppermost gauge in the image is an ISO metric pitch gauge, the larger gauge in the center is for… … Wikipedia

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