DIN7983 Half-sunk Self-tapping Screw with Plastic Anchors DIN7983 1.various sizes of din7983 available.2.high quality competive price.3.material of din7983:metal4.surface treatment:Passivation,Chromium-Plating,Black, Zinc-Plating or according require RerSizePcs/Box2181575.5×50+E1282181584.8×45+E10122181594.2×40+E8182181603.9×30+E624 DIN7983 Half-sunk Self-tapping Screw with plastic anchors