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counterbore
counterbore (ˈkaʊntəˌbɔː) n (Building) another name for countersinkThesaurus| Noun | 1. |  counterbore - a bit for enlarging the upper part of a holecountersink bit, countersinkbit - the cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock or drill press; "he looked around for the right size bit" |
counterbore
counterbore[′kau̇nt·ər‚bȯr] (design engineering) A flat-bottom enlargement of the mouth of a cylindrical bore to enlarge a borehole and give it a flat bottom. (engineering) To enlarge a borehole by means of a counterbore. counterboreTo enlarge a hole to receive the head of a bolt or a nut.See CBORE
See CBOREcounterbore
Synonyms for counterborenoun a bit for enlarging the upper part of a holeSynonyms- countersink bit
- countersink
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