Cage nut has cage which fits over nut and is prolonged to form split, cylindrical sleeve which fits into bore in component to be secured and is expanded when bolt is tightened

摘要

The cage nut has a cage (2) which fits over the nut (3) and is prolonged to form a split, cylindrical sleeve (5). This fits into a bore in the component to be secured and is expanded when the bolt is tightened. The sleeve has self-tapping serrations (6) around its upper edge.