BS EN 4496. Aerospace series. Screws, 100° countersunk normal head, offset cruciform recess, close tolerance normal shank, short thread, in titanium alloy, anodized, with aluminium pigmented coating. Classification 1 100 MPa (at ambient temperature) / 315°C|Test methods, Aerospace transport, Corrosion tests, Compression set, Mixing, Tear tests, Elastic constants, Elongation, Tensile strength, Density, Hardness testing, Approval testing, Qualification approval, Quality assurance, Quality assurance systems, Synthetic rubber, Natural rubber, Air transport engineering, Heads (fasteners), Marking, Aircraft components, Metal coatings, Countersunk fasteners, Recessed-head fasteners, Dimensions, Screws (bolts), Anodizing, Cruciform-head fasteners, Titanium alloys, Aluminium alloys, Cables (electric), Temperature, Circuit-breakers, Alloys, Nickel alloys, Non-ferrous alloys, Shape, Diameter, Sleeving (electrical), Durability, Testing, Environmental testing, Testing methods, Electrodes, Melting,