Aerospace series - Nuts, anchor, self-locking, fixed, closed corner, reduced series, with counterbore - Classification: 1100 MPa/235 °C; German and English version EN 2856:2006— 17 стр.
Aerospace series - Nuts, anchor, self-locking, one lug, fixed, reduced series, with counterbore, in steel, cadmium plated, MoS<(Index)2> lubricated - Classification: 1100 MPa (at ambient temperature)/235 °C; German and English version EN 3712:2007— 15 стр.