Sunnen is the technological leader for high precision honing of all types of down-hole oil field instruments and tubes. With a family of five precision tube honing systems, we now deliver twice the metal removal rate of any other machine in the world.

Our new tight bore torque sensing and auto stroke adjust also helps prevent tool breakage and bent drive shafts – even during unattended operation in “tight bore” conditions.

Sunnen produces the industry’s largest selection of honing machines – horizontal or vertical, single or multi-spindle, automated or manual, standard or customized – and our systems are designed with a focus on reliability, flexibility and ease of use.