CNC Spoilboard Surfacing Router Bits, 1/4 inch Shank 1 inch Cutting Diameter, Slab Flattening Router Bit Planing Bit Wood Planing Bit Dado Planer Bit by BINSTAK (Carbide) - Amazon.com
CNC Router Bit Set | Avid CNC
5 pc. CNC Starter Router Bit Set (1/4" Shank), 705 (Whiteside Machine)