PREN 3820:2015被替代
Aerospace Series - Metric Bolts, Normal Hexagon Head, Coarse Tolerance Normal Shank, Short Thread, In Titanium Alloy, Anodized, Mos[2] Lubricated - Classification: 1100 Mpa (At Ambient Temperature)/315 Degrees C
出版：Aerospace & Defence Industries Association of Europe
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