Aerospace series - Bolts, large bihexagonal head, close tolerance normal shank, medium length thread, in heat resisting nickel base alloy, passivated - Classification: 1550 MPa (at ambient temperature)/315 °C; German version EN 2874:1996— 9 стр.
Aerospace series - Bolts, large bihexagonal head, close tolerance normal shank, medium length thread, in heat resisting nickel base alloy, passivated - Classification: 1250 MPa (at ambient temperature)/650 °C; German and English version EN 3444:2006— 18 стр.
Aerospace series - Bolts, large bihexagonal head, close tolerance normal shank, medium length thread, in heat resisting nickel base alloy, passivated, with aluminium pigmented coating, Classification: 1 550 MPa (at ambient temperature)/315 °C; German and English version EN 4498:2005— 18 стр.