Rockford Bolt and Steel was established in 1863 as a manufacturer of hot forged fasteners and as a steel distributor. Rockford Bolt and Steel presently manufactures hot and cold headed fasteners with both cut thread and rolled threads.

Rockford Bolt has supplied the Highway and Construction Industry for many years manufacturing domestic fasteners with USA made and melted steel. We supply guard rail bolts, hex and structural heavy hex head bolts, carriage bolts, round and square head bolts, threaded rods, and studs. We are also a master distributor of various nuts and washers. The Rockford Bolt & Steel quality control laboratory is ISO/IEC 17025 accredited by NVLAP, lab code 200255. Full physical and chemical certifications can be provided upon request.

Rockford Bolt and Steel has supplied the Railroad Industry for the last 30 years with domestic and imported fasteners. From track bolts, frog bolts, and drive spikes to switch and clip bolts, domestic bolts are manufactured in our Rockford, IL facility with domestic material. We can also provide a full range of import sizes of track bolts, from 3/4″ diameter to 1-1/8″. We supply import and domestic heavy square nuts, as well as domestic lock washers for all your railroad fastener needs.

Rockford Bolt supplies the Communication Towers and Electrical Industries with custom made U-bolts, square head bolts, and fully threaded rods.