DIN EN 3227 : 2010 Title: Aerospace series - Nuts, hexagonal, plain, normal height, normal across flats, in steel, cadmium plated, left hand thread - Classification: 1100 MPa (at ambient temperature) / 235 °C; German and English version EN 3227:2010 Year: 2010 Publisher: DIN Media GmbH Availability: Within 1-2 working days