English
wikipedia
Pronunciation
AHD|twÄstʹdrÄl'
Noun
en-noun
- A rotating cutting tool, used for cutting holes in metal, wood, or other 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. Called also a drill bit or drill.
References
ru:twist drill
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