BL20 SOFT STEEL MANDREL Whether for tight-tolerance production or

Whether for tight-tolerance production or demanding rework

Designed for durability and consistent performance

repeatability

Part of Sunnen's K-Series

The Sunnen C40 abrasive is a premium-quality honing stone engineered for precision and performance

BL20 SOFT STEEL MANDREL Whether for tight-tolerance production orThe Sunnen BL20 Mandrel delivers exceptional accuracy and finishes for larger bore honing applications. Built to withstand heavy use, it ensures consistent roundness, size control, and surface quality across a wide range of materials. Designed for seamless integration with Sunnen honing machines, the BL20 is trusted in production and repair shops demanding reliable, repeatable results.