Standards
[CURRENT]
BS 4A 104+A2
BS 4A 104+A2
Specification for corrosion-resisting steel bolts (Unified hexagons and Unified threads), strength class 880 MPa, for aircraft
Title (German)
Rostfreie Stahlbolzen (Unified Sechskant und Unified Gewinde) fuer Flugzeuge. Spezifikation