M20x60 ZINC 5.6 Hexagon bolts and nuts for steel structures DIN 7990
Firma Killich s.r.o. offers hexagon bolts for steel constructions according to DIN 7990. In the range of DIN 7990 screws, the screws are steel and galvanized in strength 5.6, 8.8. Hexagonal screws (DIN 7990) are on hexagonal wrench.
