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Definisi 'counterbore'
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English to English noun
| 1 |
a bit for enlarging the upper part of a hole |  | source: wordnet30
| 2 |
A flat-bottomed cylindrical enlargement of the mouth of a hole, usually of slight depth, as for receiving a cylindrical screw head. | | source: webster1913 verb
| 3 |
To form a counterbore in, by boring, turning, or drilling; to enlarge, as a hole, by means of a counterbore. | | source: webster1913
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