Countersink

Russian Meaning

зенковка

зенкер

конический зенкер

циковка

зенковать

English Meaning

  1. A hole with the top part enlarged so that the head of a screw or bolt will lie flush with or below the surface.
  2. A tool for making such a hole.
  3. To make a countersink on or in.
  4. To drive (a screw or bolt) into a countersink.