Honing tool holder KR series

Sunnen's basic honing machines can be found in thousands of tool rooms throughout the world. Machines in this category are well suited to the low volume production that is typically performed in tool rooms and repair departments. Sunnen has the highest quality standard 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. Browse our selection of standard mandrels below.