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the K20 delivers consistent results
The Sunnen A-20 Honing Tooling System is engineered for precision honing of small-diameter bores
and heavy equipment industries
Engineered to meet the highest standards
engineered for unmatched precision
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
