This standard BS EN 4352:2004 Aerospace series. Bolts, double hexagon head with lockwire holes, relieved shank, long thread, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), MoS2 coated. Classification. 1 550 MPa (at ambient temperature) / 425°C is classified in these ICS categories:
49.030.20 Bolts, screws, studs
This standard specifies the characteristics of double hexagon headed bolts with lockwire holes, relieved shank and long thread, in NI-PH2601, MoS2 coated, for aerospace applications. Classification: 1 550 MPa ) / 425 °C )