screw thread

screw thread (plural screw threads)

  1. (engineering) A helical ridge formed around a cylinder, or a helical groove formed around the inner wall of a bore, used mostly on fasteners and their connection points.
    • An internal screw thread is cut with a "tap", while external screw threads are cut with a "die".

This text is extracted from the Wiktionary and it is available under the CC BY-SA 3.0 license | Terms and conditions | Privacy policy 0.006
Offline English dictionary