quadruple thread
noun1
a screw or worm gear having four equal threads and thus capable of being started in four places
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
a screw or worm gear having four equal threads and thus capable of being started in four places
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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