Step drill for valve holes (solid carbide / PCD).
Step drills with specified radii or chamfers for drilling the valve holes
Step drill for valve holes in aluminium wheels (e.g. AlSi7), with specified radii or chamfers. Designed for long tool life and high cutting speeds.
At a glance
- solid carbide or polycrystalline diamond (PCD)
- diameter up to 22.0 mm
- total length up to 160.0 mm
- up to 2 internal cooling channels
- polished and brushed chip space
