Step drill for bolt holes (solid carbide / PCD).
Step drill for drilling conical or spherical bolt holes
Step drill for bolt holes in aluminium wheels (e.g. AlSi7). Material, coating, geometry and chip breaker are matched for long tool life and high cutting speeds.
At a glance
- solid carbide or polycrystalline diamond (PCD)
- diameter up to 45.0 mm
- total length up to 250.0 mm
- up to 4 internal cooling channels
- polished and brushed chip space
