EN 4128:2009 航空航天系列.铝IVD涂层耐热镍基合金中短螺纹紧公差标准柄标称六角头螺栓头螺栓.等级-1250 MPa(环境温度)/425℃
Aerospace series - Bolts, normal hexagonal head, coarse tolerance normal shank, short thread, in heat resisting nickel base alloy, aluminium IVD coated - Classification: 1 250 MPa (at ambient temperature) / 425 Degree C