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NF EN 4321, L22-034 (05/2005)

Aerospace series - Bolts, double hexagon head with lockwire holes, relieved shank, long thread, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), silver plated - Classification : 1 550 MPa (at ambient temperature) / 650 °C - Série aérospatiale