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.
—
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
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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
Cite this Entry
“Setscrew.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/setscrew. Accessed 10 Jul. 2025.
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