set·​screw ˈset-ˌskrü How to pronounce setscrew (audio)
: a screw screwed through one part tightly upon or into another part to prevent relative movement
: a screw for regulating a valve opening or a spring tension

Examples of setscrew in a Sentence

Recent Examples on the Web Tighten the setscrew with a 5⁄32-inch Allen wrench. Joseph Truini, Popular Mechanics, 16 Jan. 2021 Most motors and machines, including anything with belts and pulleys, have tiny setscrews that only accept Allen wrenches. Joseph Truini, Popular Mechanics, 25 Apr. 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'setscrew.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1849, in the meaning defined at sense 1

Time Traveler
The first known use of setscrew was in 1849

Dictionary Entries Near setscrew

Cite this Entry

“Setscrew.” Dictionary, Merriam-Webster, Accessed 29 Sep. 2023.

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