DIN 7983 is a self-tapping screw with a semi-countersunk head, which can be used to connect elements made of sheet steel and paste, as well as to fix various elements on sheet steel.
Scope widely used in industry and construction. It is used for connection of elements of a design, and also for installation in a tree, plastic without preliminary drilling of an aperture, and also in metal. but with pre-drilling.
Material stainless steel. The grade of steel A2 allows to use fastenings at considerable differences of temperature and in the aggressive and humid environment.
Coating Zinc (Plated) protects against corrosion if you plan to use fasteners in aggressive conditions