DS DS/EN 3326
DS DSEN 3326 2008-JAN-08 Aerospace seres - Bolts D-head close tolerance medum thread length n heat resstng nckel base alloy N-PH2601 NCO 718 - Classfcaton 1 275 MPa650 °C unplated
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This standard specifies the dimensions of unplated D-head bolts, close tolerance, with MJ-thread, medium thread length, in heat resisting nickel base alloy NI-PH2601 to EN 2952 and EN 3219 for aerospace applications.
Maximum test temperature of the material is 650 °C.
These bolts are to be used in aerospace fastening systems mainly stressed in shearing force.