This standard specifies the characteristics of hexagon headed bolts with relieved shank and longthread, in NI-P100HT, silver plated, for aerospace applications.
EN 3009:1998 history
1998EN 3009:1998 Aerospace series - Bolts, hexagon head, relieved shank, long thread, in heat resisting nickel base alloy NI-P100HT (Inconel 718), silver plated - Classification: 1275 MPa (at ambient temperature)/650 °C