Genuine Fischer FBS II 8x120 US R concrete screw (part number 558240), crafted from high-grade A4 stainless steel for exceptional corrosion resistance. This 8mm diameter, 120mm long screw features a hexagon head with an integrated washer (SW13 drive) and a unique sawtooth thread for efficient installation. It holds ETA approval for use in cracked and non-cracked concrete and boasts R 120 fire resistance. Designed for robust fastening in demanding outdoor applications and corrosive environments. Each package contains 50 pieces.