DIN EN 2924 : 2019 Title: Aerospace series - Nuts, hexagon, plain, reduced height, reduced across flats, in heat resisting steel, silver plated, left hand thread - Classification: 600 MPa (at ambient temperature)/425 °C; German and English version EN 2924:2019 Year: 2019 Publisher: DIN Media GmbH Availability: Within 1-2 working days