K20 HARD STEEL MANDREL and long-lasting reliability—making it the

and long-lasting reliability—making it the perfect solution for shops demanding performance and repeatability

making it ideal for both manual and automated applications

Ideal for hard and semi-hard materials

HellerDEX delivers unmatched surface finishes and optimal bore geometry in high-production environments

The Sunnen BL4 Mandrel offers dependable performance for honing small to medium-sized bores with exceptional accuracy and surface finish

K20 HARD STEEL MANDREL and long-lasting reliability—making it theUnlock superior performance with Sunnen K20 tooling, the trusted choice for high precision honing. Engineered for durability and accuracy, the K20 series delivers consistent bore geometry and exceptional surface finishes across a wide range of applications. Ideal for use with Sunnen honing machines, K20 tooling ensures quick setup, easy adjustment, and long lasting reliabilitymaking it the perfect solution for shops demanding performance and