this tool features an expandable superabrasive sleeve mounted on a tapered mandrel
The Sunnen A8 Honing Tooling System is engineered for precision honing of small-diameter bores
making it the perfect tool for in-process inspection and quality control
Built for durability and consistency
high-quality bore sizing and finishing across a wide range of materials
H70 CBN STONE SET, METAL BOND this tool features an expandableUnlock unmatched precision with the Sunnen H70 Abrasive, engineered for high performance honing in demanding applications. Designed to deliver consistent surface finishes and tight tolerances, the H70 is ideal for a wide range of materials including steel, cast iron, and alloys. Whether you are finishing engine components or hydraulic cylinders, count on the H70 for faster cutting, longer life, and superior results. Trusted by professionals