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 …

Sunnen offers an extensive line of honing machines and accessories for the automotive engine building market. High-performance engine shops and production engine rebuilders around the world rely on …

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

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

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 …

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.

Sunnen is home to the industry’s largest selection of bore sizing machines, tooling, abrasives, cutting fluids and bore gages. No matter what the hydraulic component application, Sunnen will provide a …

Oct 14, 2025 · Sunnen’s benchtop system delivers a new level of performance, reliability, and confidence in dimensional measurement, making it an ideal solution for customers seeking precision …

Sunnen’s versatile tube honing systems are designed for a wide range of industries and processes. Easy to use, Sunnen's all-electric tube hone is reliable and affordable.