Founded in 1975, United Steel and Fasteners (USF) is an ISO Certified manufacturer and supplier of fasteners whose management team has a combined experience exceeding two centuries.

We can manufacture all types of fasteners ranging in size from 3/8” to 4-1/4” made in numerous materials, various grades, and to many industry standards such as IFI, SAE, ASTM, AREMA and more.

Our modern quality control department and trained staff will ensure the highest quality products through precise SPC, OPC, destructive testing, and other means of quality assurance.

We have a huge inventory in our Itasca, Illinois warehouse of ready-to-ship nuts, bolts, screws, spikes, pins, rivets, and washers. Our computerized inventory control system and trained staff monitor and track orders to insure on-time delivery.

If a standard product is not available for your needs, our Engineering staff will happily work to customize and develop any special purpose fastener for your specific needs.

USF serves many markets, including the following:

Mining
Railroad
Bus & RV
Appliance
Renewable
Agriculture
Automotive
Heavy Equipment
Power Generation
Bridges & Infrastructure
High Power Transmission
Structural & Construction
Transportation & Trucking
Pipeline (Water, Gas, Petro-Chemical)

USF has the knowledge, experience, and capability to manufacture, source, and supply fasteners for small infrequent orders up to supporting the needs of multi-national organizations having many global locations who require a continual supply of high quality, cost-effective fasteners to keep their global operations running smoothly.

United Steel & Fasteners - Nylon Insert Nuts