For over 100 years, Sunnen has built a global business around delivering the highest levels of precision to our customers. Combining a robust distribution network with industry-leading technology, Sunnen …

For nearly 100 years, Sunnen has built a global business around delivering the highest levels of precision to our customers.

For over 100 years, Sunnen has built a global business around delivering the highest levels of precision to our customers. Combining a robust distribution network with industry-leading technology, Sunnen …

Manufacturers around the world rely on Sunnen to engineer incredible performance for their most critical parts. We’re ready to get to work for you. Fill out the form below and one of our representatives will …

Sunnen has recognized this need and been a leader in the bore sizing and finishing industry since 1924. From hydraulic pumps to landing gear to elevators – even medical and musical instruments—the …

Sunnen honing abrasives increase performance, whether you use a Sunnen system or other honing equipment.

Oct 7, 2025 · In the world of precision manufacturing, achieving flawless bore finishing is paramount. Sunnen Products Company, a global leader in the field for over a century, continues to push the …

Today, Sunnen is the exclusive provider of automated bore lapping solutions. Sunnen’s patented machine uses a tool known as a lap, which resembles a honing mandrel but with grooves instead of …

Sunnen creates one-of-a-kind solutions for bore creation, sizing and finishing. Across dozens of industries and countless applications, our custom systems deliver unmatched consistency.

For nearly 100 years, Sunnen has built a global business around delivering the highest levels of precision to our customers.