screw thread
See also: screwthread
English edit
Noun edit
screw thread (plural screw threads)
- (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".
Translations edit
helical ridge or groove
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