setscrew

noun

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set·screw | \ ˈset-ˌskrü

Definition of setscrew

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

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 example sentences are selected automatically from various online news sources to reflect current usage of the word 'setscrew.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.