BL16 HARD STEEL MANDREL accurate metal removal—perfect for large

accurate metal removal—perfect for large engines

count on the C20 to deliver precision

Unlock precision with the Sunnen CounterDex tooling – your solution for accurate

Whether for tight-tolerance production or demanding rework

Engineered for durability and consistent performance

BL16 HARD STEEL MANDREL accurate metal removal—perfect for largeThe Sunnen BL16 Mandrel is engineered to provide exceptional accuracy and surface finish for mid sized bore honing applications. Designed for durability and consistent performance, it ensures tight tolerances and superior roundness across a variety of materials. Perfectly compatible with Sunnen honing systems, the BL16 delivers reliable, repeatable results in both production and repair environments.