Aerospace series - Nuts, bihexagonal, self-locking, deep counterbore, in heat resisting steel FE-PA2601 (A286), silver plated on thread - Classification: 1100 MPa (at ambient temperature) / 650 °C; German and English version EN 4119:2004
Edition 2006-11

Aerospace series - Nuts, anchor, self-locking, floating, self-aligning, two lug, in alloy steel, cadmium plated, MoS₂ lubricated, metric series - Classification: 900 MPa (at ambient temperature)/235 °C; German and English version EN 2680:2006
Edition 2007-02

Aerospace series - Self-locking plate nuts, floating, two-lug, in heat resisting steel FE-PA92HT (A286), silver-plated - Classification: 1100 MPa (at ambient temperature)/650 °C; German and English version EN 3020:2008
Edition 2008-10

Aerospace series - Nuts, self-locking, clip, in heat resisting steel FE-PA92HT (A286), silver coated - Classification: 1100 MPa (at ambient temperature)/425 °C; German and English version EN 3241:2008
Edition 2009-03

Aerospace series - Nuts, anchor, self-locking, floating, self-aligning, one lug, in steel, cadmium plated, MoS₂ lubricated - Classification: 900 MPa (at ambient temperature) / 235 °C; German and English version EN 3653:2010
Edition 2010-05

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

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, hexagon, self-locking, in heat resisting steel, MoS₂ lubricated - Classification: 1100 MPa (at ambient temperature)/315 °C; German and English version EN 3536:2006
Edition 2007-10

Aerospace series - Nuts, bihexagonal, self-locking, in heat resisting steel FE-PA92HT (A286), silver plated - Classification: 1100 MPa (at ambient temperature)/650 °C; German version EN 2907:1995
Edition 1995-11

Aerospace series - Nuts, bihexagonal, self-locking, in heat resisting nickel base alloy NI-P101HT (Waspaloy), silver plated thread - Classification: 1210 MPa (at ambient temperature)/650 °C; German version EN 3239:1995
Edition 1995-11