BL3 HARD STEEL MANDREL Sunnen CV/CK tooling delivers unmatched

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

Engineered for the firearms & defense industry

Whether in the shop or out in the field

and performance in demanding honing applications

BL3 HARD STEEL MANDREL Sunnen CV/CK tooling delivers unmatchedThe 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.