This standard specifies the characteristics of self-locking bihexagonal nuts in NI-PH2601, MoS2 coated, for aerospace applications.Classification: 1 550 MPa 1) / 425 °C 2)
EN 4012:2004 history
2004EN 4012:2004 Aerospace series - Nuts, bihexagonal, self-locking, in heat resisting nickel base alloy NI-P100HT (Inconel 718), MoS2 coated - Classification: 1550 MPa (at ambient temperature)/425 °C
2003EN 4012:2003 Aerospace series - Nuts, bihexagonal, self-locking, in heat resisting nickel base alloy NI-P100HT (Inconel 718), MoS2 coated - Classification: 1 500 MPa (at ambient temperature)/425 degrees C