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