setscrew
noun
set·screw
ˈset-ˌskrü 
1
: a screw screwed through one part tightly upon or into another part to prevent relative movement
2
: a screw for regulating a valve opening or a spring tension
Examples of setscrew in a Sentence
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Tighten the setscrew with a 5⁄32-inch Allen wrench.
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Joseph Truini, Popular Mechanics, 16 Jan. 2021
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Joseph Truini, Popular Mechanics, 16 Jan. 2021
Cite this Entry
“Setscrew.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/setscrew. Accessed 9 Sep. 2025.
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