DS DS/EN 3328
DS DSEN 3328 2008-JUN-10 Aerospace seres - Bolts double hexagon head close tolerance medum thread length n heat resstng steel FE-PM38 FV535 uncoated - Classfcaton 1 000 MPa550 °C
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This standard specifies the dimensions of the uncoated double hexagon head bolts, close tolerance, with MJ-thread, medium thread length, in heat resisting steel FE-PM38 for aerospace applications.
Maximum test temperature of the parts is 550 °C.
These bolts are to be used in aerospace fastening systems mainly stressed in shearing force.