DIN EN 2542 : 2009 Title: Aerospace series - Steel FE-PL1502 (25CrMo4) - Annealed - Bar and Wire - D<(Index)e> 40 mm - For prevailing torque nuts; German and English version EN 2542:2008 Year: 2009 Publisher: DIN Media GmbH Availability: Within 1-2 working days