The Sunnen BL3 Mandrel is designed for accurate
Engineered for durability and optimized compatibility with the CounterDex system
particularly in the automotive and engine rebuilding industries
The Sunnen A-12 Honing Tooling System is engineered for precision honing of small-diameter bores
This versatile abrasive delivers consistent stock removal
H70 ALUMINUM OXIDE STONE SET, VITRIFIED BOND The Sunnen BL3 Mandrel isUnlock 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