| 摘要 |
<p>A fastener and seal combination, preferably for a cladding fastener, comprises an enlarged driving head 16 on the fastener having a circular recess 20 on its under-surface shaped to receive a seal comprising a metal washer 24 fitting within the recess and an elastomeric washer 26 bonded to the metal washer and protruding from the recess.</p> |
