AECMA PREN 3381-1990
Aerospace Series Bolts, 100 Degrees Countersunk Normal Head, Offset Cruciform-Ribbed Recess, Close Tolerance Shank, Short Thread, in Titanium, Anodized, MoS 2 Lubricated Classification: 1100 MPa (at Ambient Temperature) / 315 Degrees Celsius Issue P 2