BL6 HARD STEEL MANDREL the P28 is your go-to

the P28 is your go-to solution for reliable and repeatable honing

Part of Sunnen's K-Series

superior surface finish

engineered for exceptional cutting efficiency and consistent surface finishes

Unlock superior honing results with the Sunnen C20 Abrasive

BL6 HARD STEEL MANDREL the P28 is your go-toThe Sunnen BL6 Mandrel is designed to provide precise bore sizing and excellent surface finishes for small to medium sized bores. Engineered for durability and consistent performance, the BL6 delivers reliable, repeatable results across a wide range of materials and applications. Fully compatible with Sunnen honing systems, it is the ideal choice for shops focused on quality and efficiency.