BS EN 3820:2017 Aerospace series. Metric bolts, normal hexagon head, coarse tolerance normal shank, short thread, in titanium alloy, anodized, MoS2 lubricated. Classification: 1 100 MPa (at ambient temperature)/315 $0DC

Surface treatment
Marking
Hexagonal-head fasteners
Designations
External-thread fasteners
Temperature
Bolts
Sulfides
Dimensions
Aircraft components
Fasteners
Molybdenum
Threaded fasteners
Threads
Titanium alloys
Mass

Link: BS EN 3820:2017 Aerospace series. Metric bolts, normal hexagon head, coarse tolerance normal shank, short thread, in titanium alloy, anodized, MoS2 lubricated. Classification: 1 100 MPa (at ambient temperature)/315 {$permalink}DC
Source: BSI Standards