About The Word Counterbore

Bay Area Crosswords

Learn about the word Counterbore to help solve your crossword puzzle. Discover Counterbore definitions and meaning, origins, synonyms, related terms and more at the free Crossword Dictionary.

Counterbore

Counterbore Meaning & Definition
Counterbore Definition And Meaning

What's The Definition Of Counterbore?

[n] a bit for enlarging the upper part of a hole

Synonyms | Synonyms for Counterbore: countersink | countersink bit

Related Terms | Find terms related to Counterbore:

See Also | bit

Counterbore In Webster's Dictionary

\Coun"ter*bore`\ (-b?r`), n. 1. A flat-bottomed cylindrical enlargement of the mouth of a hole, usually of slight depth, as for receiving a cylindrical screw head. 2. A kind of pin drill with the cutting edge or edges normal to the axis; -- used for enlarging a hole, or for forming a flat-bottomed recess at its mouth.
\Coun`ter*bore"\ (koun`t?r-b?r"), v. t. To form a counterbore in, by boring, turning, or drilling; to enlarge, as a hole, by means of a counterbore.

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