Advantages of brass self tapping screws
Advantages of brass self tapping screws Brass is an alloy of copper and zinc. brass self tapping screws have a good anti-rust effect after chemical polishing and chromic acid passivation. brass self tapping screws can be drilled directly without punching, no need for nuts to tighten. The self-tapping of the brass self tapping screws means that they can “attack” into it. There are many kinds of self-tapping screws, and the structural design is more common with plastic and sheet metal self-tapping screws. There are about four types of self-tapping screws for smashing gold, and basically all of them can be nuts. The self-tapping screws also have triangular threads. The self-tapping screws and the pressing screws for punching gold are not easy to distinguish. The naked eye can hardly see the difference. The plastic self-tapping screws can be seen at a glance because the pitch difference is large and the thread angle difference is compared. Big. In additi...