Engineering Services

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.

Our engineers and customer service representatives work with our customer's to assure that the right fastener is chosen for the application. 

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Please feel free to click around our site and please contact us to discuss how our engineering can assure the best internally threaded fastener solution for your next application.