DIN EN 4012:2006-10
Действует
Aerospace series - Nuts, bihexagonal, self-locking, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), MoS<(Index)2> coated - Classification: 1550 MPa (at ambient temperature)/425 °C; German and English version EN 4012:2004
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