BL3 HARD STEEL MANDREL Achieve exceptional honing precision with

Achieve exceptional honing precision with Sunnen 4HPH Honing Tooling

Maximize performance in blind hole honing with Sunnen 5HR28 Tooling

Sunnen CV/CK tooling delivers unmatched accuracy and durability for cylinder honing applications

Its user-friendly interface

BL3 HARD STEEL MANDREL Achieve exceptional honing precision withThe Sunnen BL3 Mandrel is designed for accurate, fine honing of small diameter bores where tight tolerances and superior surface finish are critical. Durable and easy to set up, it ensures consistent, repeatable results for a variety of applications. Compatible with Sunnen honing systems, the BL3 is ideal for precision work in automotive, aerospace, and manufacturing industries.