Aerospace series - Nuts, bihexagonal, self-locking, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), silver plated on thread - Classification: 1550 MPa (at ambient temperature) / 600 °C; German and English version EN 4117:2004
航空航天系列.螺纹镀银耐高温镍基合金NI-PH2601(Inconel 718)制自锁双六角螺母.等级:1550 MPa(环境温度)/600°C;德语和英语版本EN 4117:2004