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Ideal for applications in automotive
Sunnen's commitment to quality ensures that each honing stone meets enduring and exacting standards
designed for Single Stroke Honing® applications
reliable results that keep your operations running at peak efficiency
K4 HARD STEEL MANDREL Ideal for applications in automotiveUnlock 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
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