Welcome to MacLean-Fogg Component Solutions - Mundelein

MacLean-Fogg began in 1925 with one product, the No. 1 Railroad Locknut. The long, rich tradition of fasteners at MacLean-Fogg is centered at our Mundelein, IL facility. Here we manufacture over 500,000,000 internally threaded fasteners per year for Automotive, Heavy Duty and other Industrial Markets.  We are TS16949 and ISO14001 Certified.

Please click around to learn more about us and our products.  Of course, please feel free to contact us to discuss how one of our  internally threaded fastener products could be a component solution for you.

You can download our Divisional Information Sheet by clicking here.


Latest News

MacLean-Fogg Component Solutions Announces Expanded Machining Capabilities
MFCS announced an investment in new machining equipment which expands the Fastener Components division's manufacturing capabilities in Mundelein, IL. Mr....


Wednesday, March 19, 2014

Kettering University Wins the MacLean-Fogg Cup

MacLean-Fogg Component Solutions congratulates Kettering University for winning the internal combustion division of the 2014 SAE Clean Snowmobile Challenge held March 3-8 at Michigan Tech University's Keweenaw Research Center. This collegiate design competition challenges teams to reengineer an existing snowmobile to improve environmental performance. Modified snowmobiles then compete in a variety of events including emissions, noise, fuel economy/endurance, and more. » Continue Reading