Countersink

Quick meaning: Countersink is a noun meaning The cutter used to cut such a recess. (Also used, at less depth, for edge-breaking/deburring.).

Meaning

The cutter used to cut such a recess. (Also used, at less depth, for edge-breaking/deburring.).

More Meanings

1. (transitive) To create such a conical recess.
2. (ambitransitive) To cause to sink even with or below the surface.
3. A conical recess, typically machined at the mouth of a hole to admit a screw (with a matching taper) so that the screw sits flush with a surface.

Example Sentences

to countersink a hole for a screw

to countersink a screw or bolt into woodwork

Holonym: center drill (combined drill and countersink)

I countersank into the locust just enough to make the nailhead flush.

Word Forms

• countersinks
• countersinking
• countersank
• countersunk

Synonyms for countersink

Depending on context, synonyms include countersinker, set, counterbore.

Related Words

Related dictionary entries include counterbore, set, ream, countersinker, sinker, counter.

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