Thin plate connecting the self-drilling screws, rivets, such as its size and connecting plate by matching their distance, should comply with the design requirements and other fringe.

• 连接薄钢板采用的自攻螺钉、拉铆钉、射钉等其尺寸与被连接钢板相匹配,其间距、边距等应符合设计要求。