| 摘要 |
<p>Plug (1) for sealing a hole (2) provided in a work piece (3), which plug (1) comprises a front part (4) and a sealing part (5), and where the surface hardness of at least the sealing part exceeds the hardness of the work piece (3), and where the sealing part (5) is conical with an increasing diameter in direction from the front part (4), and that the sealing part (5) comprises a cutting thread (6).</p> |
