meaning of countersink
1. To chamfer or form a depression around the top of (a hole in wood, metal, etc. ) for the reception of the head of a screw or bolt below the surface, either wholly or in part; as, to countersink a hole for a screw.
2. To cause to sink even with or below the surface; as, to countersink a screw or bolt into woodwork.
3. An enlargement of the upper part of a hole, forming a cavity or depression for receiving the head of a screw or bolt.
4. A drill or cutting tool for countersinking holes.
5. a bit for enlarging the upper part of a hole
Related Words
countersink | countersink bit | countersinking |
