BL12 ADAPTER and superior alignment—ensuring accurate

and superior alignment—ensuring accurate

Achieve unmatched honing precision with Sunnen 3GP28 Tooling—built for high-performance applications requiring accuracy

superior bore geometry

the AAY20 mandrel is designed to work seamlessly with Sunnen's honing machines for optimal performance

BL12 ADAPTER and superior alignment—ensuring accurateThe Sunnen BL12 Mandrel is designed for accurate, efficient honing of small to mid sized bores, delivering excellent roundness, size control, and surface finish. Built for durability and consistency, the BL12 integrates effortlessly with Sunnen machines, making it ideal for high precision applications in automotive, aerospace, and general manufacturing.