DIN EN 3230 : 2001 Title: Aerospace series - Nuts, hexagon, slotted/castellated, reduced height, normal across flats, in steel, cadmium plated - Classification: 900 MPa (at ambient temperature)/235 °C; German version EN 3230:2001 Year: 2001 Publisher: DIN Media GmbH Availability: Within 1-2 working days