MB CBN RETRACTABLE STONE
MB CBN RETRACTABLE STONE
Sunnen KR8 abrasive is a premium CBN (Cubic Boron Nitride) honing stone designed for retractable mandrel systems. Featuring a durable metal bond and available in grit sizes such as 220 and 600, it delivers exceptional precision and longevity. Ideal for applications in automotive, aerospace, and energy sectors, the KR8 ensures consistent bore sizing and superior surface finishes in demanding environments.
Specs
Specs
Grit size | 220 |
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Tool series | KR8 Series |

Sunnen Service Team
Your Sunnen Technical Specialist will work with you to determine the best solution for your needs – it’s all part of the added value you get with Sunnen. Plus, our worldwide sales and service team provides comprehensive support for the installation and operation of every system we make. Whatever your need, we have the expertise and product range to create the right solution for you and the dedication to support you for the long run.
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