Historical
DIN EN 4133:1995
Aerospace series - Bolts, normal hexagonal head, coarse tolerance normal shank, long thread, in titanium alloy, aluminium IVD coated - Classification: 1100 MPa (at ambient temperature)/425 ?C (Foreign Standard)
The document contains specifications pertinent to manufacture and use such as dimensions and designation, material, surface treatment, marking and technical specifications.
Deutsches Institut für Normung [din]