DS EN 4322:2005 Aerospace Series - Bolts, Double Hexagon Head With Lockwire Holes, Relieved Shank, Long Thread, In Titanium Alloy Ti-P64001, Anodized, Mos[2] Coated - Strength Class: 1100 Mpa (At Ambient Temperature) Defines the characteristics of double hexagon headed bolts with lockwire holes, relieved shank and long thread, in TI-P64001, anodized, MoS[2] coated, for aerospace applications.