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Sellers screw thread

noun

  1. a thread form in a system of standard sizes proposed by Sellers in 1884 and later accepted as standard in the USA, having a 60° flank angle with a flat top and foot

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Word History and Origins

Origin of Sellers screw thread1

named after William Sellers (1824–1905), US engineer

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gallimaufry

[gal-uh-maw-free ]

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