Currently, even Sami is easy, cosmetic repairs cannot be imagined without self -tapping screws. On the shelves of any construction store you can find a huge number of various types of this auxiliary material. With the help of self -tapping screws, you can carry out any work related to the fastening of both elastic and hard materials, as well as with their consolidation. Self -tapping screws differ in the shape of the hat, by applying the thread and type of tips. This type of auxiliary material made of carbon steel is made, and a protective coating of phosphate or zinc is applied to them. By the way, for the manufacture of wardrobes to the order in Minsk, special screws are used, which are very expensive.