setscrew

[ set-skroo ]
/ ˈsɛtˌskru /

noun

a screw passing through a threaded hole in a part to tighten the contact of that part with another, as of a collar with the shaft on which it fits.

Origin of setscrew

First recorded in 1850–55; set + screw
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for setscrew

setscrew

/ (ˈsɛtˌskruː) /

noun

a screw that fits into the boss or hub of a wheel, coupling, cam, etc, and prevents motion of the part relative to the shaft on which it is mounted
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012