DS EN 3330:2009
DS EN 3330:2009 Aerospace Series - Steel Fe-Pl1503 (35Crmo4) - Annealed - Bar And Wire - D[E] <= 40 Mm - For Prevailing Torque Nuts Provides the requirements relating to: Steel FE-PL1503 (35CrMo4) Annealed Bar and wire D[e] < or = 40 mm For prevailing torque nuts for aerospace applications.