| 摘要 |
PROBLEM TO BE SOLVED: To compensate for waterproofness by a simple structure, to reduce the number of part items, and to shorten a connecting work time.SOLUTION: A connecting member connects a first member 100 to a second member 101, the connecting member is a fastening screw 10 having a head 11 at one side, and having a screw 12 at the other side, and connecting, by fastening, and annular grooves 13 with the screw axis as the center are formed in a plurality of rows on a seat surface 11a of the head 11. The head side of the fastening screw 10 is provided with a neck of a larger diameter than a diameter of the screw inserted in close contact into an insertion hole of the first member, and the annular grooves 13 are formed in the plurality of rows on the outer periphery of the neck. |
