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Whiteside Spoilboard Router Bit

While developing our Slab Flattener, we asked the fine folks at Whiteside for a recommendation on the proper bit. Their model 6220 CNC Spoilboard Bit fits the bill. Although designed for CNC work, it is an excellent choice when using a slab flattener.
This item typically ships within two weeks.

While testing our new tool on slabs, we also tested this bit on end grain cutting boards and it performed exceptionally well.


  • This CNC bit can also be used to flatten live edge boards that may be too large to go through your planer.
  • Four wings make a fast, clean cut on your project material. This is a carbide tipped CNC router bit.


  • Shank: 1/2"
  • Cut Diameter: 2"
  • Cut Length: 1/2"