| 摘要 |
<p>The washer has thread eyelets formed to receive threads of long or other fabric seam, where the thread eyelets are formed as projection from a starting hole of the washer. The thread eyelet is attached at the washer on an upper surface, an undersurface or other spatial extension of the washer. A bottom surface is roughened or textured in order to increase friction between a bone thread and the washer when tightening a screw or a sub-area having a three-dimensional configuration such as an edge or spikes, to avoid twisting of the washer when tightening the screw.</p> |
