Aerospace series - Nuts, hexagon, slotted/castellated, reduced height, normal across flats, in steel, cadmium plated - Classification: 900 MPa (at ambient temperature)/235 °C; German version EN 3230:2001
航空航天系列.镀镉钢制标准对边减高开槽/槽形六角螺母.等级:900 MPa(环境温度)/235°C;德文版EN 3230:2001