• Introducing
    the SV-35

    Meet Sunnen’s latest cylinder honing machine — the SV-35. Experience precision and efficiency in one machine with automatic bore-to-bore honing, new Sunnen2 system controls and more.

    Explore the SV-35

  • Partnership

    Doing everything in our power to exceed your business goals.

    We've helped customers decrease part production costs by as much as 50% - 60%.

    Contact Us

  • Precision

    Pushing the highest limits of what's possible in machining.

    Sunnen customers have forged new business lines by collaborating with us on new processes & solutions.

    Custom Solutions

  • Performance

    Driving real results, wherever you work.

    We've helped customers cut shifts by significantly cutting set-up & non-productive time.

    Latest Insights

Our Vision is Precision

For nearly 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 integrates bore creation, sizing and finishing into one turnkey solution. Together, we’ll achieve extraordinary results.

Read Our Story

Sunnen Spotlight 

Check out the amazing work Forest City Gear is doing with Sunnen SV‑Series honing machines!

Our honing machines have taken their bore sizing operations to the next level, ensuring unparalleled precision and exceptional productivity.

View our video to see how Forest City Gear is making an impact and be inspired by their amazing story of innovation and hard work!

Engineering Efficiency. Every Step of the Way.

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Above and Beyond Honing

We’re not just honing parts anymore—we’re honing processes. Our global service team works one-on-one with our customers to refine their operations, engineer custom solutions and deliver the hands-on training they need to be their best.

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Solutions as Unique as Your Operation

See how our team designs, builds and implements custom machinery to solve our customers’ complex needs.

Latest Insights

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