| 摘要 |
<p>A plastic nut (1) for attachment to a threaded stud (12) so that the threaded portion (14) is screwed into the aperture (4) through the nut (1) in which edges formed by means of ridges (5) or grooves scrape off during screwing coating (13) covering the periphery of the threaded stud (12); the sides of the nut being formed with openings (7) extending outwardly from the edges of the aperture (4) to remove coating (13) scraped from the threaded stud to the outside. <IMAGE></p> |
