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Sunnen’s high-precision honing systems are capable of meeting even the most advanced aerospace requirements for ultra-precise machined parts, even in heavy-duty applications.

The aerospace industry is constantly tightening performance requirements for components such as hydraulic sleeves, fuse pins and landing gears. Sunnen’s honing technology is capable of delivering sub-micron roundness, straightness and size tolerances when required. Our precision-graded, Sunnen-made abrasives create crosshatched ID surface finishes that provide optimal performance under stress. Thanks to computer controls and automated parts handling, our machines increase production capacity while ensuring the consistency and accuracy you need, even in hard-to-machine materials. For applications ranging from piston pumps to hydraulic swivel components, there’s a customized Sunnen honing solution for you.

HTA Tube Hone


Tube Hone

The HTA is Sunnen's first all-electric, lean design tube hone that packs high-end features into an affordable, flexible system.

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HTB Series Tube Hones


Series Tube Hones

The Sunnen HTB Series is perfect for job shops needing a flexible system for small production applications and repair work.

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HTS Series Tube Hones


Series Tube Hones

The new HTS Series combines unparalleled power, precision and technology to exceed the highest demands for production for tubes of any size.

Explore HTS
HTG Series Tube Hones


Series Tube Hones

Sunnen's new HTG Series provides the speed, precision and power needed to meet the demands of the heavy-duty industry.

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HTH Series Tube Hones


Series Tube Hones

With Sunnen's HTH Series, precision sizing and finishing of long and large bores is easier and more productive than ever.

Explore HTH