twist drill

noun

Definition of 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

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, "How to Make a Clip-On Book Light," 25 Oct. 2017

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

First Known Use of twist drill

circa 1875, in the meaning defined above

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The first known use of twist drill was circa 1875

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