twist drill


: a drill having deep helical grooves extending from the point to the smooth portion of the shank

Illustration of twist drill

Illustration of twist drill

Examples of twist drill in a Sentence

Recent Examples on the Web Mark the center of the diagonals with an awl and bore a pilot hole on the mark using a 9⁄64-inch twist drill bit. James Schadewald, Popular Mechanics, 3 July 2021 Use a 118-degree twist drill bit to bore these holes. Roy Berendsohn, Popular Mechanics, 13 June 2020 The drill is equipped with a half-inch chuck, allowing you to bore with large-shank twist drills, hole saws, and big step drills. Roy Berendsohn, Popular Mechanics, 15 Oct. 2019 Use a 3⁄32-inch twist drill bit to make the two holes spaced about ½ inch apart near the top of the base. James Schadewald, Popular Mechanics, 25 Oct. 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'twist drill.' 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

circa 1875, in the meaning defined above

Time Traveler
The first known use of twist drill was circa 1875

Dictionary Entries Near twist drill

Cite this Entry

“Twist drill.” Dictionary, Merriam-Webster, Accessed 2 Dec. 2023.

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