Zinc-plated steel, blue passivated (A2K)
Lock washer, washer and nut assortment 2400 pieces in system case 4.4.1.
890 pieces in system case 4.4.1. Hexagon head screws ISO4017, DIN933 8.8 / hexagon nuts DIN 934 I8I / flat washers DIN 125-A steel / lock washer DIN 127-B zinc-plated, blue passivated (A2K)