Aerospace series - Nuts, anchor, self-locking, floating, two lugs, with counterbore, in heat resisting steel, MoS₂ lubricated - Classification: 1100 MPa (at ambient temperature)/315 °C; German and English version EN 2865:2009
Edition 2010-04

Aerospace series - Nuts, anchor, self-locking, air resistant, sealing, floating, two lug, with counterbore, in alloy steel, cadmium plated, MoS₂ lubricated - Classification: 900 MPa (at ambient temperature)/235 °C; German and English version EN 2878:2018+AC:2019
Edition 2019-06

Aerospace series - Nuts, anchor, self-locking, air resistant, sealing, floating, two lug, with counterbore, in corrosion resisting steel, passivated, MoS₂ lubricated - Classification: 900 MPa (at ambient temperature) / 235 °C; German and English version EN 2879:2017
Edition 2017-03

Aerospace series - Nuts, anchor, self-locking, fuel resistant, sealing, floating, two lug, with counterbore, in alloy steel, cadmium plated, MoS₂ lubricated - Classification: 900 MPa (at ambient temperature)/120 °C; German and English version EN 2880:2018+AC:2019
Edition 2019-06

Aerospace series - Nuts, anchor, self-locking, fuel resistant, sealing, floating, two lug, with counterbore, in corrosion resisting steel, passivated, MoS₂ lubricated, metric series - Classification: 900 MPa (at ambient temperature)/120 °C; German and English version EN 2881:2006
Edition 2007-02

Aerospace series - Nuts, anchor, self-locking, floating, two lug, reduced series, with counterbore, in heat resisting steel, MoS(Index)2 lubricated - Classification: 1 100 MPa (at ambient temperature) / 315 °C; German and English version EN 3435:2010
Edition 2010-05

Aerospace series - Nuts, anchor, self-locking, fixed, two lug, with counterbore, in heat resisting steel, MoS₂ lubricated - Classification: 1 100 MPa (at ambient temperature)/315 °C; German and English version EN 3537:2010
Edition 2010-06

Aerospace series - Nuts, anchor, self-locking, fixed, two lug, reduced series, with counterbore, in heat resisting steel, MoS₂ lubricated - Classification: 1100 MPa (at ambient temperature)/315 °C; German and English version EN 3538:2010
Edition 2010-06

Aerospace series - Nuts, anchor, self-locking, floating, self-aligning, two lugs, in heat resisting steel, MoS₂ lubricated - Classification: 900 MPa (at ambient temperature)/315 °C; German and English version EN 3757:2009
Edition 2010-04

Aerospace series - Nuts, anchor, self-locking, floating, two lug, incremental counterbore, in corrosion resisting steel, MoS₂ lubricated - Classification: 900 MPa (at ambient temperature) / 315 °C; German and English version EN 3834:2010
Edition 2010-05