Aerospace series - Nuts, bihexagonal, self-locking, with counterbore, in heat resisting steel, passivated - Classification: 1100 MPa (at ambient temperature) / 650 °C; German and English version EN 3843:2010
航空航天系列.钝化耐热钢制带沉孔自锁双六角螺母.等级:1100 MPa(环境温度)/650℃;德语和英语版本EN 3843:2010