| 摘要 |
<p>A blind rivet (2) comprises a rivet body (8) with an axial through bore (12), a head (16) at one end and inwardly extending lugs (24,26) at the tail end (14) which are provided with recess (32,34). The rivet (2) may be set by a tool (6) having lugs (46) adapted to engage in the recesses (32,34), and may be used as a drainage passage or as part of a releasable fastener. <IMAGE></p> |
