Dear customers,
Due to the public holiday on May 14, 2026, and the following bridge day, we are currently not available in person.
Registrations and manually processed orders cannot be handled during this period. However, our webshop remains available for orders and downloads at any time.
From Monday onward, we will be happy to assist you again as usual.
You can also find many helpful answers and resources in our FAQ section at any time.
Your DIN Media GmbH
Standard [CURRENT]
Product information on this site:
Quick delivery via download or delivery service
All transactions are encrypted
This European Standard specifies the characteristics of hexagonal nuts, self-locking by plastic ring, normal height, normal across flats, in corrosion resisting steel, passivated. Classification: 900 MPa/120 °C. The EN 4297 standard has been prepared by the standardization organization ASD-STAN of the AeroSpace and Defence Industries Association of Europe (ASD), with the participation of German experts from DIN Standards Committee Aerospace (NL). The responsible German standardization committee is Working Committee NA 131-03-01 AA "Verbindungselemente (Spiegelausschuss zu ISO/TC 20/SC 4" ("Aerospace fasteners (mirror committee to ISO/TC 20/SC 4)") at DIN Standards Committee Aerospace (NL).