B3220 Boring Cartridge


B3220 Boring Cartridge for axial-radial offset roughing (ARS) expands on previous methods that were either symmetrical or asymmetrical. This versatile new tool, designed for use with the Walter B3220 but which can be used with the Walter B3221 and B3224 boring tools as well, brings the capabilities of axial-radial offset roughing (ARS) to an array of new applications.

By doubling the tool’s cutting widths, the new cartridge increases metal removal rates, saving time and, thus, money. Costs are further decreased since the B3220 Boring Cartridge saves users the need for additional processing steps and tools. In addition, the tool provides good chip control, stable machining conditions, and heightened process reliability.


It excels at: 

  •  thru hole, line hole, and step cuts
  • chassis, large engine, and gearbox roughing
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