EN 4501:2006 航空航天系列.带镀铝涂层的阳极电镀钛合金短螺纹紧公差标准柄正六角头螺栓,米制系列.等级-1100 Mpa(室温)/315℃
Aerospace series - Bolts, normal hexagonal head, close tolerance normal shank, short thread, in titanium alloy, anodized, with aluminium pigmented coating, metric series - Classification: 1100 MPa (at ambient temperature)/315 °C