M8 METRIC COARSE PITCH FLANGE BOLT AND / OR NUTS HIGH TENSILE GRADE 10.9 GEOMET
HEXAGON HEAD FLANGE NUTS SIZE M8 x 1.25. Hexagon head bolts DIN 6921 – M8 x 25–10.9–flZn. Hexagon head nuts DIN 6923 – M8–10–flZn. Example design of hexagon flange bolt, thread M8x1.25, nominal length L=25 mm and property class 10.9.