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screw wheel

noun
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Definition of screw wheel

: a gear wheel with teeth intersecting the pitch surface in helical lines and thus forming parts of the threads of a many-threaded screw : helical gear

— called also screw gear

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“Screw wheel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/screw%20wheel. Accessed 5 Mar. 2021.

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