K16 BRONZE MANDREL the A-12 system includes a

the A-12 system includes a mandrel assembly and a diamond-plated sleeve

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

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

trust Sunnen HellerDEX for consistent

Trusted by professionals in automotive

K16 BRONZE MANDREL the A-12 system includes aBoost 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.