DIN EN 4635-2010 航空航天系列.镍基合金(Inconel 718)耐高温短螺纹六瓣凹槽100°埋头螺钉.分类:1270 MPa(环境温度下)/650℃;德文版本和英文版本EN 4635-2009
Aerospace series - Screws, 100° countersunk head, six lobes recess, short thread, in heat resisting nickel base alloy NI-PH2601 (Inconel 718) - Classification: 1270 MPa (at ambient temperature) /650 °C; German and English version EN 4635:2009