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The Efficient Solution for Exact Finishes

Be it Single Tube, Double Tube, Gun Drilling, or other specialty drilling system, Sunnen has the engineering expertise and manufacturing capabilities to offer single source, turnkey solutions for your deep hole drilling applications.

Skiving and Roller Burnishing is used to:

  • Improve surface finish—as fine as .10 – .15 microns (4 to 6 micro-inches) RA on average
  • Improve size control—tolerances within 0.0254 mm (.001 inch) on average
  • Increase surface hardness
  • Improve fatigue life

Machines that Work Harder. Accessories that Last Longer.

Our reputation is built on quality and durability. You’ll find Sunnen machines from the 1940s that are still running strong to this day. Over the years, we’ve applied our expertise with emerging technologies to develop the industry’s largest catalog of bore finishing machines. We also offer all the tools, accessories and training necessary to sustain a high-performance operation.

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