Aerospace series - Steel FE-PM3801 (X5CrNiCu17-4) - Air melted, softened, forging stock a or D <kleiner => 300 mm; German and English version EN 3163:2007— 17 стр.
Aerospace series - Nuts, hexagon, slotted/castellated, reduced height, normal across flats, in steel, cadmium plated - Classification: 900 MPa (at ambient temperature)/235 °C; German version EN 3230:2001— 7 стр.