PREN 4072:2014被替代
Aerospace Series - Screws, 100 Degrees Countersunk Normal Head, Offset Cruciform Recess, Close Tolerance Shank, Short Thread, In Titanium Alloy, Aluminium Ivd Coated - Classification: 1100 Mpa (At Ambient Temperature)/425 Degrees C
出版：Aerospace & Defence Industries Association of Europe
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