ÖNORM EN 4176:2006-06
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
