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[set-skroo] /ˈsɛtˌskru/
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
1850-55; set + screw Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for setscrew
  • The setscrew tightens the spring centering mechanism that keeps the loader in a neutral position.
  • Designed to retain mirror with concealed setscrew fastenings.
  • To improve the security of these windows, loosen the setscrew in the crank handle and remove the crank handle altogether.
British Dictionary definitions for setscrew


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
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