This standard specifies the characteristics of self-locking,long,thin wall inserts,in NI-P100HT,with silver plated internal thread,for aerospace applications.
EN 3237:1998 history
1998EN 3237:1998 Aerospace series - Inserts, thin wall, self-locking, long, in heat resisting nickel base alloy NI-P100HT (Inconel 718), silver plated internal thread