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7910 Manchester Road St. Louis, MO 63143
United States of America

About Sunnen Products Company

Sunnen Products Company, founded in 1924 in St. Louis, Missouri, is a global leader in bore sizing and finishing technology, including honing, lapping, skiving/roller burnishing and deep hole drilling.  Products manufactured include machines, tooling, abrasives, cutters, honing/cutting fluids, bore gages and automated loading/unloading systems.  Sunnen has wholly owned sales, service and manufacturing facilities in 13 countries and a network of factory authorized distributors around the globe. For total bore solutions from hole making to hole finishing, you can count on Sunnen.


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Articles & Product Announcements

Next-Generation Vertical Honing System

IMTS22: Sunnen Products Company’s new SV-3000 series vertical honing system incorporates synchronized servo stroke and spindle motors that enable constant crosshatch finishes the length of the bore. Read more on