English Explanatory Dictionary

twist drill

English dictionary entry

Meanings

noun
  1. A rotating cutting tool, used for cutting holes in rigid materials, that consists of an essentially conical point, relieved and fluted to form cutting lips, and spiral flutes which direct the chips away from the lips and toward ejection from the hole.

Pronunciation

twĭstʹdrĭl'

Word forms

twist drill twist drills
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