K16 BRONZE MANDREL and consistent bore geometry—critical for

and consistent bore geometry—critical for peak firearm performance

and superior alignment—ensuring accurate

it ensures long-lasting durability and performance you can count on in demanding production environments

The Sunnen JAK20 tooling is engineered for precision honing in deep or hard-to-reach bores

trust Sunnen HellerDEX for consistent

K16 BRONZE MANDREL and consistent bore geometry—critical forBoost your honing efficiency with Sunnen K16 tooling, engineered for unmatched precision, durability, and performance. The K16 tooling system offers fast setup, consistent bore sizing, and superior surface finishes. Built for demanding applications, it is the trusted choice for machinists who demand accuracy and reliability every time.