Slab Flattening Router Bit 1/2 Shank, 4-Flute 2" Cutting Dia, Insert Carbide CNC Spoilboard Surfacing Router Bit, Wood Planer Planing Bit for Flycutter/ Slab Leveler/ Rabbeting by . Precise Size: slab flattening router bit with 1/2 Inch shank, 2" Cutting Diameter, Carbide Inserts: 12*12*1.5 mm, The Max RPM 18,000, the universal Inserts provide on "B0CZ8WLD4C " Cutting Smoother: This CNC spoilboard surfacing router bit uses solid carbid blade, high hardness, sharpness of blade, smoother cutting, Great for flattening wood. Efficient & Economical: This flattening router bit with replaceable 4-sided carbide Inserts 1.5mm thickness, more Durable and Sharp than other carbide blade, longer life, it is a cost-effective solution. Cutting Material: Used on planing and rabbeting the following materials: MDF/Plywood /Chipboard /Plastic /Acrylic / Fiberboard/Balsa/HDU Board /HDF/LDF / Epoxy (Epoxy Resins) / Hardwood/Softwood FOR Equipment: Use on router sled for flattening slabs, and other CNC machine. Make sure that your router sled rails are fully stable and squared, Make sure the screws are tight