An article of manufacture selected from a titanium alloy fastener and a titanium alloy fastener stock, the article of manufacture including a hot rolled, solution treated and aged alpha/beta titanium alloy comprising, in percent by weight 3.9 to 4.5 aluminium, 2.2 to 3.0 vanadium, 1.2 to 1.8 iron, 0.24 to 0.30 oxygen, up to 0.08 carbon, up to 0.05 nitrogen and up to a total of 0.30 of other elements. The up to a total of 0.3% of other elements includes one or more of less than 0.005 each of boron and yttrium, no greater than 0.10 each of tin, zirconium, molybdenum, chromium, nickel, silicon, copper, niobium, tantalum, manganese, and cobalt, and with the balance titanium and incidental impurities. The article of manufacture has an ultimate tensile strength of at least 170 ksi (1,172 MPa) and double shear strength of at least 103 ksi (701.2 MPa).