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Countersink   Listen
noun
Countersink  n.  
1.
An enlargement of the upper part of a hole, forming a cavity or depression for receiving the head of a screw or bolt. Note: In the United States a flaring cavity formed by chamfering the edges of a round hole is called a countersink, while a cylindrical flat-bottomed enlargement of the mouth of the hole is usually called a conterbore.
2.
A drill or cutting tool for countersinking holes.






Collaborative International Dictionary of English 0.48








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Words linked to "Countersink" :   hole, bury, countersink bit, set, sink, bit



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