摘要 |
<p>The wall plug has a nail-type body (20) consisting of two sheets. The body has a striking region with outward-bent head regions (e.g. 211), an upper guide shell, a lower guide shell (2C), a screw thread guide region with hole walls (e.g. 212), and a plug tip region (2E). The plug tip region consists of the tip regions (e.g.215) of both sheets.</p> |