房屋吊顶施工叶,一般使用膨胀螺栓。安装膨胀螺栓时,需先用冲击电钻钻孔,再将膨胀螺栓装入,最后用扳手将膨胀螺栓拧紧,因此.施工较烦琐,粉尘污染大,而且成本较高。普通水泥钢钉,承载能力又较低。有感于此,我们委托生产厂家生产一种带螺纹的水泥钢钉,来替代 House ceiling construction leaves, generally use expansion bolts. When installing the expansion bolts, it is necessary to drill with an impact drill first, then install the expansion bolts, and finally tighten the expansion bolts with a wrench. Therefore, the construction is cumbersome, the dust pollution is large, and the cost is high. Ordinary cement nails have a lower bearing capacity. In this sense, we commissioned the manufacturer to produce a cemented steel screw with thread instead of