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.
PUBLISHED
EN 3328:2008
90.93
Standard confirmed
Jan 21, 2024