Duplex Steel Fasteners a.k.a Duplex Stainless Steel Fasteners are main product line for BoltPort Fasteners. This includes manufacturing and supply of duplex 2205 fasteners such as bolts, screws, stud bolts, threaded rods, nuts, washers, dowel pins, and other custom bolting components. We offer both metric and imperial sized fasteners in duplex alloy 2205. Duplex stainless steel 2205 fasteners are produced from premium quality rolled bar stock or forged bars with latest material specifications. Boltport can manufacture alloy 2205 fasteners in ASME, DIN, ISO & other international dimension standards. These duplex fasteners are also available in equivalent grades F51, UNS S31803, f60, S32205, DIN EN 1.4462 and Uranus 45n.