| 摘要 |
<p>A blind fastener (2) has a screw threaded bore, enabling the fastener to be set in a workpiece (16) by an appropriate tool, and a head portion (6) having an external screw thread (8). When set in a workpiece (16,22,28) the fastener can be used in a variety of ways for the attachment of other workpieces (18,24,30). <IMAGE></p> |
