In addition, self -tapping screws can be galvanized, phosphate, oxidized, yellow -painted or painted depending on the scope of use. The peculiarity of the roof screws and the fact that they prevent damage to the place where they are used. The assortment of the online store also has screws for drywall, sandwich panels, wood, metal. Which type you may use, you can always be sure that our experts have offered the best option. This is the basic principle of our activity for many years.