Illustration of twist drill
twist drill
noun
: a drill having deep helical grooves extending from the point to the smooth portion of the shank
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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.
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James Schadewald, Popular Mechanics, 3 July 2021
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James Schadewald, Popular Mechanics, 3 July 2021
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“Twist drill.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/twist%20drill. Accessed 19 Sep. 2025.
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