Welcome to MacLean-Fogg Component Solutions Chesterfield Township (MacLean Maynard)

MFCS Chesterfield Township, also known as MacLean-Maynard, is the recognized global leader in the manufacture of bolts and studs for high temperature and high vibration applications.  Maynard Manufacturing Company was founded in 1947.  Our Improved Lockthread and Self-Aligning Lockthread are recognized industry leading products used by OEMs and Suppliers around the globe.  Maynard joined the MacLean-Fogg family of companies in 1997.

Please click around to learn more about us.  Feel free to contact us to discuss how our fasteners can improve your next high temperature application.

You can download our Divisional Information Sheet by clicking here.

For information on the thread types, sizes, materials, and processes used to manufacture our fasteners, please review our Fastener Manufacturing Reference Guide.  This document will give you an overview of the fasteners we make across several of our facilities. 

Chesterfield 1
Chesterfield 2

Latest News

MacLean-Fogg to Sponsor Formula SAE
MacLean-Fogg (M-F) was excited to sponsor the 2017 Formula SAE® in Michigan May 10-13th. The International Formula SAE® program is a collegiate engineering...
Clean Snowmobile Challenge
MacLean-Fogg was proud to be back for the third year in a row to sponsor the 2017 SAE Clean Snowmobile Challenge event held at Michigan Technological University...
MFCS Recognized by GM as 2016 Supplier of the Year
Mundelein, IL April 10, 2017 – MacLean-Fogg Component Solutions (MFCS) was named a GM Supplier of the Year during the General Motors 25th Annual Supplier...
MacLean-Fogg to Sponsor 2017 Clean Snowmobile Challenge
MacLean-Fogg Company is excited to announce its sponsorship of the 2017 Society of Automotive Engineers (SAE) Clean Snowmobile Challenge (CSC). This collegiate...
MacLean-Fogg Announces Sale of PWK
MacLean-Fogg is pleased to announce the divestiture of the Presswork Krefeld division to private equity firm HANNOVER Finanz and local management effective...
MFCS Metform Selected as One of the 2016 Best Plants
MacLean-Fogg announces IndustryWeek’s selection of the MacLean-Fogg Component Solutions’ Metform division, Savanna, IL, as one of the Best Plants for 2016....
Can for a Cause
MacLean-Fogg as a whole was able to donate 14,426 items to local food pantries and every participating plant surpassed their goal of 1 item per person!...
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