| 摘要 |
A fastener assembly includes a bolt (1) having first and second ends and comprising a bolt head (3) at the first end, a first shank portion (4) havin g a smooth circumferential surface of a first diameter and a second shank portion (5) coaxial with the first shank portion and of a second diameter smaller than the first diameter. At least a part of the second shank portion (5) is externally screw threaded and the first shank portion (4) is position ed between the bolt head (2) and the second shank portion (5). A nut (12) has first and second ends and includes a first bore (15) extending from the firs t end of the nut and of a diameter greater than the first diameter for fitting over part of the first shank portion (4) of the bolt (2), and, in the region of the second end, a screw threaded bore (17) for screw threaded engagement with the screw threaded second shank portion (5), the screw threaded bore (1 7) being coaxial with and leading into the first bore (15). |
