counterbore
Speech parts
1. counterbore - Noun
2. counterbore - Verb
Meaning
A flat-bottomed cylindrical enlargement of the mouth of a hole, usually of slight depth, as for receiving a cylindrical screw head.
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.
To form a counterbore in, by boring, turning, or drilling; to enlarge, as a hole, by means of a counterbore.
Source: Webster's dictionarySynonyms
countersink
countersink bit
auger
diameter
bore
cutter
recess
chambre
countersunk
core drill
bore bit
countersinking
counterboring
rolling out
conical drill
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