BS EN 8.3556. Aerospace series. Screws, pan head, Spiral Drive Recess, coarse tolerance normal shank, medium length thread, in titanium alloy, anodized, MoS2 lubricated. Classification : 1 100 MPa (at ambient temperature) / 315 °C|Aerospace transport, Corrosion tests, Compression set, Mixing, Tear tests, Elastic constants, Elongation, Tensile strength, Density, Hardness testing, Approval testing, Qualification approval, Quality assurance systems, Quality assurance, Synthetic rubber, Natural rubber, Air transport engineering, Screws (bolts), Non-ferrous alloys, Tool shanks, Titanium, Threads, Aircraft components, Ambient temperature, Titanium alloys, Alloys, Temperature, Length, Test methods, Circuit-breakers, Nickel alloys, Shape, Diameter, Sleeving (electrical), Durability, Environmental testing, Testing, Testing methods, Electrodes, Melting, Air, Steels, Contrast (optical), Measurement, Cables (electric)