countersink
countersink · countersinks
Ansenkung, Senkbohrung
A conical recess, typically machined at the mouth of a hole to admit a screw so that…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.
Meaning
2 sensesA 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.
Ansenkung, Senkbohrung
The cutter used to cut such a recess. (Also used, at less depth, for edge-breaking/deburring.)
Holonym: center drill (combined drill and countersink)
More definitions
- a hole (usually in wood) with the top part enlarged so that a screw or bolt will fit into it and lie below the surface
- a bit for enlarging the upper part of a hole
Translations
5 languagesDeutsch
By meaning 1
a conical recess machined around a hole:
Forms
plural: countersinks| Singular | countersink |
|---|---|
| Plural | countersinks |
regular
Synonyms
3 synonymsClose in meaning
- a bit for enlarging the upper part of a hole:counterborecountersink bit