Sunnen K5155CH Mandrel

Sunnen K5155CH Hard Steel Mandrel is a K-Series honing mandrel manufactured by Sunnen, designed to hold honing stones securely in precision bore finishing tasks on Sunnen honing systems. Constructed from hard steel and designated CH as part of the K-Series line, this mandrel emphasizes durability and stable, repeatable performance during repeated honing cycles. The model features a shank length of 1.5625 inches, enabling compatibility with standard Sunnen tool holders and ensuring consistent alignment within the honing setup. As part of Sunnen's K-Series hard steel mandrels, the K5155CH serves in bore finishing tasks where consistent concentricity and surface finish are essential. By leveraging Sunnen's tooling architecture, this mandrel supports reliable tool life and predictable performance across production and repair applications that require repeatable, dimensionally stable honing.