Sunnen is the leader in precision bore sizing systems worldwide. When you choose the "Sunnen Solution", you get the honing machines together with best cutting abrasives, high performance honing oils, coolants, toolings and precision bore gages. Either as manual stand-alone machine or fully automated, the Sunnen solution fits best into high demanding production processes - working to satisfy your specific production needs. With over 80 years of experience, Sunnen provides precision bore honing solutions for an incredibly wide range of industries and applications.
Our global network and the industry's largest selection of honing machines - horizontal or vertical, single or multi-spindle, standard or customized - allows us to be close to you and provide the appropriate solution in every country worldwide. As the largest integrated honing systems supplier, we maintain Advanced Technology Centers around the globe with a workforce of over 650. Our outstanding support is provided through our 3 production plants and 8 subsidiaries and our sales and service network in more than 50 countries around the globe. No matter what your bore sizing challenge may be, anywhere in the world, we have the "Sunnen Solution" for you!