The RG9R grinder from Coborn has been purposely designed for grinding the latest high tech, super hard materials: PCD / CBN / Ceramics / Carbide. Thanks to the robotic arm loading system, large volume production runs can be carried out without the need for human intervention. This is Indexable’s fifth Coborn grinder. These machines have a proven track record of accuracy and reliability. Coborn’s service is also second to none in our industry.