Whats the meaning of countersink?
Score: 4.3/5 (12 votes) countersink. / (ˈkaʊntəˌsɪŋk) / verb -sinks, -sinking, -sank or -sunk (tr) to enlarge the upper part of (a hole) in timber, metal, etc, so that the head of a bolt or screw can be sunk below the surface. to drive (a screw) or sink (a bolt) into such an enlarged hole.What is a ...