BL20 SOFT STEEL MANDREL Part of Sunnen's K-Series

Part of Sunnen's K-Series

Designed for durability and consistent performance

TRUEDEX reduces stock removal and extends tool life—delivering superior results in high-precision industries

Designed for use with P28 mandrels

BL20 SOFT STEEL MANDREL Part of Sunnen's K-SeriesThe 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.