Aerospace series - Nuts, bihexagonal, self-locking, in heat resisting nickel base alloy NI-PH1302 (Waspaloy), silver plated on thread - Classification: 1210 MPa (at ambient temperature)/730 °C; German and English version EN 4120:2004
航空航天系列.螺纹镀银耐高温镍基合金NI-PH1302(Waspaloy)制自锁双六角螺母.等级:1210MPa(环境温度)/730℃;德语和英语版本EN 4120:2004