noun🔗Share座ぐりA cylindrical recess, typically machined around a hole to admit a screw so that it sits flush with a surface."The mechanic used a counterbore to create a recess in the metal plate, allowing the screw to sit flush with the surface. "整備士は、ネジが表面と面一になるように、金属板に座ぐりを使用してくぼみを作りました。technicalmachinepartindustryChat with AIVocabulary GamePractice Reading
noun🔗Share座ぐり用工具The tool with which a counterbore is machined."The machinist selected the correct counterbore to enlarge the hole and recess the screw head. "機械工は、穴を広げ、ネジ頭を凹ませるために、適切な座ぐり用工具を選択しました。technicalmachineutensilworkindustryChat with AIVocabulary GamePractice Reading
verb🔗Shareザグリ穴をあけるTo create such a cylindrical recess."The carpenter will counterbore the hole so the screw head sits flush with the surface of the wood. "大工は、ネジ頭が木材の表面と面一になるように穴にザグリ穴をあけます。technicalmachineworkbuildingChat with AIVocabulary GamePractice Reading
