DIN EN 4443 : 2012 Title: Aerospace series - Nuts, elliptical clinch, self-locking, MJ threads - in heat resisting steel FE-PA2601 (A286), MoS<(Index)2> coated, Classification: 900 MPa (at ambient temperature)/425 °C; German and English version EN 4443:2012 Year: 2012 Publisher: DIN Media GmbH Availability: Within 1-2 working days