അർത്ഥം : 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.
അർത്ഥം : A bit for enlarging the upper part of a hole.
പര്യായപദങ്ങൾ : counterbore, countersink bit
അർത്ഥം : Insert (a nail or screw below the surface, as into a countersink).
പര്യായപദങ്ങൾ : set