DIN EN 4176:2007-01
Действует
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
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