countersink

Tanımlar (İngilizce)

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

   “Holonym: center drill (combined drill and countersink)”

3. fiil To create such a conical recess.

   “to countersink a hole for a screw”

4. fiil To cause to sink even with or below the surface.

   “to countersink a screw or bolt into woodwork”