Step drill for bolt holes (solid carbide / PCD).

Step drill for drilling conical or spherical bolt holes

The step drills are suitable for machining a wide range of materials, such as AlSi7. The ideal customer-specific combination of material, coating, geometry and chip breaker ensures long tool life and also enables high cutting rates to be run. Durability and maximized machining speed contribute significantly to our customers’ production and process reliability.
A test report documents the dimensional accuracy.