SSH EN 3912:2007

Seritë e hapësirës ajrore - Bulona, kokë sheshtë, me fole me gjashtë ndarje, me kënd në fund, fileto të gjatë, në çelik rezistent ndaj nxehtësisë FE-PA2601 (FE-PA92HT, A286), i veshur me argjend - Klasifikimi: 1 100 MPa (në temperaturën e mjedisit) / 650 °C

Aerospace series - Bolts, pan head, six lobe recess, relieved shank, long thread, in heat resisting steel FE-PA2601 (FE-PA92HT, A286), silver plated - Classification: 1 100 MPa (at ambient temperature) / 650 °C

Scope

This standard specifies the characteristics of pan head bolts with six lobe recess, relieved shank and long thread, in FE-PA2601 (FE-PA92HT), silver plated, for aerospace applications.
Classification: 1 100 MPa ) / 650 °C )
NOTE Taking account of the recess geometry, the strength class to be used for the seating torque calculation shall not be greater than 900 MPa.