Aerospace series - Nuts, hexagon, self-locking by plastic ring, normal height, normal across flats, in alloy steel, cadmium plated - Classification: 900 MPa (at ambient temperature) / 120 °C; German and English version EN 4309:2016
航空航天系列.镀镉合金钢制标准高度标准对边塑料环自锁六角螺母.等级:900 MPa(环境温度)/120℃;德语和英语版本EN 4309:2016