noun Download 🔗Share A cylindrical recess, typically machined around a hole to admit a screw so that it sits flush with a surface. Examples : "The carpenter used counterbores in the wooden tabletop so the screws wouldn't stick out. " technical machine industry part building Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share The tool with which a counterbore is machined. Examples : "The machinist carefully selected the counterbores needed to create the precise recesses for the bolt heads in the metal plate. " machine technical industry Chat with AIVocabulary GamePractice Reading