Efficient Cutting : This router bit is ideal for flattening wood slabs, refacing or planing the top surface. 3-wing design, with a larger 60mm cutting diameter, perfect for rapid material removal on large areas, leaving an excellent finish on the surface.Rotable and replaceable inserts : This surface milling cutter comes with 3 4-sided tungsten carbide inserts (12mm x 12mm x 2.2mm, 35 degree, straight hole). All 4 edges of the inserts can be used. Replace the inserts if necessary, which are available on ASIN B08V8PWL6SSmooth Rotation : Each SpeTool router bit undergoes strict quality testing to ensure perfect cutting tolerance, balance and excellent concentricity, has good resistance to bending or damage, and provides you with more stable processing.Suitable materials : suitable for soft and hard wood, particle board, MDF , plywood, laminate, acrylic, etc.Adaptation : Used on CNC router tables and other automatic routers as well as manual and table-mounted plunge routers with sled for your work wood. Product Description Flattening slabs is a daunting taskuntil you have them! Insert Router Bit Advantage Insert router bits are a great investment for woodworking shops that produce jobs requiring a repetitive router function, as the cost of carbide knives will provide substantial savings over time to the cabinetmaker. Router bits with insert knives contain a radial and axial groove for better positioning and safety of the axial movement of the knife. These router bits with insert knives are for finishing, routing, plunge cutting, grooving and more in board materials (DTD laminate, MDF) and hardwood, for use on power tools and machines digitally controlled. In the router bits, the knives can be replaced or reversed quickly to work on different wood materials in a short time. Professional spoilboard surfacing cutter Perfect for rapid material removal on large areas leaving an excellent finish on the surface. Each SpeTool slab flattening cutter undergoes strict quality testing to ensure tolerance perfect cutting, balance and excellent concentricity, has good resistance to bending or damage, and provides you with more stable processing. Efficiency < p>You can make this flattening process smooth if you are equipped with the right tools. Cost-effective All edges of carbide inserts can be used. Replace carbide inserts as necessary, instead of replacing the entire drill bit. Custom Inserts Insert thickness of 2.2 mm will prevent scratches, provide long service life.