This standard specifies the characteristics of double hexagon headed bolts, with close tolerance shank and medium length thread, in NI-PH2601, for aerospace applications.
Classification: 1 550 MPa / 650 ℃
note:1) Minimum tensile strength of the material at ambient temperature
2) Maximum test temperature of the parts
BS EN 4009:2004 history
2005BS EN 4009:2005 Aerospace series - Bolts, double hexagon head, close tolerance shank, medium length thread, in heat resisting nickel base alloy NI-PH2601 (Inconel 718) - Classification: 1550 MPa (at ambient temperature)
2003BS EN 4009:2003 Aerospace series - Bolts, double hexagon head, close tolerance shank, medium length thread, in heat resisting nickel base alloy NI-P100HT (Inconel 718) - Classification: 1550 MPa (at ambient temperature)/650 °C