Sunnen Products Company is the leader in precision honing equipment for both the industrial and engine building market. Sunnen has a system for virtually any bore sizing application that demands the highest standards and stringent tolerances â?? even submicron tolerances. 

Sunnen offers the industry’s most comprehensive line of precision honing system including horizontal and vertical, single and multi-spindle, standard and customized precision honing systems as well as systems with automated parts loading and in-process or post-process gaging. 

The system is just the beginning. As the world’s foremost authority on honing, Sunnen has incorporated our experience into a complete line of abrasives, tooling and gages.

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