DIN EN 4136 : 2011 Title: Aerospace series - Bolts, normal bi-hexagonal head, coarse tolerance normal shank, long thread, in alloy steel, cadmium plated - Classification: 1100 MPa (at ambient temperature) / 235 °C; German and English version EN 4136:2009 + AC:2010 Year: 2011 Publisher: DIN Media GmbH Availability: Within 1-2 working days