NF EN 4072:2010被替代
Aerospace Series - Bolts, 100 Degrees Countersunk Normal Head, Offset Cruciform Recess, Close Tolerance Normal Shank, Short Thread, In Titanium Alloy, Aluminium Ivd Coated - Classification: 1100 Mpa (at Ambient Temperature)/425 Degrees C
出版：Association Francaise de Normalisation
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