| 摘要 |
PURPOSE: A washer is provided to prevent the separation of a bolt from a fastening tool by firmly coupling the fastening tool and the bolt with the cylindrical clip projected on the top of the washer. CONSTITUTION: A washer(11) comprises an insertion hole(12) in which a bolt is inserted in the center, a cylindrical clip(13) which has elasticity and a cut on the top thereof, and a fastening tool insertion hole(14) which is formed in the cylindrical clip. When a fastening tool is inserted in the fastening tool insertion hole, the cylindrical clip is opened left and right so that the fastening tool is firmly coupled. Therefore, the fastening tool, the bolt, and the washer are integrated. |
