Phosphate Drywall Screws

Phosphate drywall screws, also known as wallboard nail. It is used to connect gypsum board with wooden keel and gypsum board with light steel keel. Most of them are black in the market, that is, black phosphated, and are mainly used for gypsum board.

The biggest feature of its appearance is the trumpet head shape. It is divided into double-thread fine-thread drywall screws and single-thread coarse-thread drywall screws. The biggest difference between the two is their use. The double-thread fine-thread drywall screw has a double thread, which is suitable for the connection between gypsum board and metal keel with a thickness of no more than 0.8 mm, while the single-thread coarse-thread drywall screw is suitable for the connection between gypsum board and wooden keel.

No, Phosphate drywall screws are not limited to black, but come in a variety of colors and surface treatments.

Black: Black Phosphate drywall screws are usually phosphated, which forms a black protective film on the surface of the nail, helping to improve the wear resistance and corrosion resistance of the nail.

Silver: Galvanized drywall screws are usually silvery white. Galvanizing is to improve the corrosion resistance of the nail, and also make the surface of the nail smoother and easier to install.

Other colors: In addition to the common black and silver, Phosphate drywall screws may also be coated with other colors according to different usage environments and needs to meet various decoration requirements