DIN EN 4176 : 2007 Title: Aerospace series - Lockbolts, 100° countersunk normal head or protruding head, tension-/sheartype, close tolerance, in titanium alloy TI-P64001, anodized or with aluminium pigmented coating - Collars in titanium TI-P99002 or aluminium alloy 2024 - Metric series - Technical specification; German and English version EN 4176:2005 Year: 2007 Publisher: DIN Media GmbH Availability: Within 1-2 working days