The biggest feature of drywall screws in appearance is the horn shaped shape, which is divided into double line fine tooth drywall screws and single line coarse tooth drywall screws. The biggest difference between the two is that the former has double threads and is suitable for connecting gypsum boards with metal keels with a thickness not exceeding 0.8mm, while the latter is suitable for connecting gypsum boards with wooden keels.
The dry wall screw series is one of the most important categories in the entire fastener product line. This product is mainly used for the installation of various gypsum boards, lightweight partition walls, and ceiling suspension series.