DIN EN 3301:2008 航空航天系列.非涂覆FE-PM1708(FV535)型耐热钢中长螺纹紧公差T字头螺栓.分类:1000MPa/550℃
Aerospace series - Bolts, T-head, close tolerance, medium thread length, in heat resisting steel FE-PM1708 (FV535), uncoated - Classification: 1000 MPa/550 °C; German and English version EN 3301:2007