DIN EN 3229 : 2010 Title: Aerospace series - Nuts, hexagonal, plain, reduced height, normal across flats, in steel, cadmium plated, left hand thread - Classification: 900 MPa (at ambient temperature)/235 °C; German and English version EN 3229:2009 Year: 2010 Publisher: DIN Media GmbH Availability: Within 1-2 working days