counterbore

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Noun

counterbore (plural counterbores)

1. A cylindrical recess, typically machined around a hole to admit a screw so that it sits flush with a surface.
2. The tool with which a counterbore is machined.

Translations

• Italian: accecatura, svasatura, accecatoio
• Russian: зенко́вка

Verb

counterbore (counterbores, present participle counterboring; past and past participle counterbored)

1. (transitive) To create such a cylindrical recess.

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