High strength drywall screws with white zinc plating / Phosphide black

Drywall nails are screw type, but the sales of drywall nails account for one of the most critical products of positive fasteners. Then Shanghai drywall nail manufacturers will introduce the tool to consumers in detail. Also known as wall panel nail, is used to install various gypsum board, ceiling ceiling, light partition, light steel keel, etc. The most distinctive feature of appearance is the shape of the horn head, which is divided into two types: double thread fine tooth dry wall screw and single thread thick tooth dry wall screw. In fact, the appearance of the two types is very good. It is to see whether the screw teeth are two lines to the tip or one line to the tip. Their functions are also different. The biggest difference is that the former thread is double thread, which is suitable for gypsum board and thickness not more than 0.8mm The connection between the metal keel of meters, the latter is the single thread of coarse teeth is wider, the corresponding attack speed is faster, which is suitable for the connection between gypsum board and wooden keel, so that the wood itself will not be damaged. But now many hardware manufacturers according to the consumer needs or uses different, and derived a lot of high and low teeth and other varieties of dry wall nails can be customized.