United Steel and Fasteners (USF) is an ISO Certified manufacturer and supplier of fasteners, established in 1975. They specialize in producing a wide range of fasteners in various materials and grades, meeting industry standards such as IFI, SAE, ASTM, and AREMA. With a focus on quality control, USF offers nuts, bolts, screws, spikes, pins, rivets, and washers from their Itasca, Illinois warehouse. Their services include customization of special purpose fasteners and serving markets like mining, railroad, automotive, and infrastructure, catering to both small orders and multinational organizations with global operations.