ROCKFORD BOLT AND STEEL CO. has the capability to manufacture custom bolts in Carbon and Alloy. We can supply the product you need.
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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.
Standing ready to serve all your fastener requirements …
Special Bolts, Machine, Carriage, Anchor and Guard Rail Bolts … U Bolts, Hook Bolts, and Gate Hinges are manufactured to your exact specifications with cut or rolled threads. Rockford Bolt can supply special lengths in all grades A307 through Grade 8 in finishes including zinc and galvanizing as well as a full line of standard fasteners, nuts, and washers.
Industries Served

Highway & Construction

Guard Rail Bolts, Hex Head Bolts, Round Head Bolts, Carriage Bolts, Structural Bolts, Threaded Rods, and Studs


Grade 5 and 8 Track Bolts and Frog Bolts, Grade 5 Switch and Clip Bolts, Drive Spikes, and U Bolts

Pole Line Hardware

U Bolts, Heavy Hex Head Bolts, Square Head Bolts, Step Bolts
ISO/IEC 17025 accredited by NVLAP
Rockford Bolt & Steel offers domestic manufacturing with domestic steel at our 100,000 Sq. Ft. facility located at 126 Mill Street in Rockford Illinois. We invite our customers to visit our facility and inspect their product while it is being manufactured. The Rockford Bolt & Steel quality control laboratory is ISO/IEC 17025 accredited by NVLAP, lab code 200255. Complete material and physical certifications can be provided on all manufactured product
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126 Mill St.
Rockford, Illinois
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