bn:00023220n
Noun Concept
Categories: Woodworking hand tools, Metalworking cutting tools, Metalworking terminology
EN
countersink  countersinking  Form countersinking  
EN
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 WordNet 3.0
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EN
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 WordNet 3.0 & Open English WordNet
In manufacturing, a countersink is a conical hole cut into a manufactured object, or the cutter used to cut such a hole. Wikipedia
Type of conical-shaped cutter used to cut holes in materials Wikidata
A cylindrical recess, typically machined around a hole to admit a screw so that it sits flush with a surface. Wiktionary
A conical recess machined around a hole. Wiktionary (translation)
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