Honing Tools & Mandrels

Mandrels are cylindrical pins used to keep abrasive materials in place during the honing process. Sunnen offers a broad range of honing tools and mandrels for almost every application and bore size. Our mandrels can handle diameters from 1,52 to 1524 mm (.060 to 60 inches).

Sunnen has the highest quality mandrels for:

  • Open holes with no interruptions
  • Open holes with keyways or splines
  • Open holes with tandem lands
  • Blind holes
  • Bowed holes
  • Holes with a counterbore or overhang

All Sunnen products come with the best technical and customer support in the industry.


Click the links below to view our products:



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