K4 SOFT STEEL MANDREL the K20 delivers consistent results

the K20 delivers consistent results

and heavy equipment industries

and surface quality across a wide range of materials

and consistent results—even in the most demanding production environments

K4 SOFT STEEL MANDREL the K20 delivers consistent resultsUnlock next level performance with Sunnen K4 tooling, engineered for fast, accurate, and repeatable honing in a wide range of applications. Designed for use with Sunnens industry leading machines, K4 tooling delivers exceptional versatility and tight tolerance control in small diameter bore finishing. Whether you are working in automotive, aerospace, or general machining, the K4 tools ensure consistent surface finishes and extended tool life boosting