XUEMEI 3-Wing Insert CNC Router Bit: the spoilboard bit Shank: 1/2" (12.7mm); Cut Diameter: 2-5/16' (59mm); carbide blade: 12*12mm; 3 inch larger cut diameter and 3-wing design, make more efficient and resulting in a more balanced tool while running. Industrial Grade Cnc Wood Slab Flattening Bit: Super-strength steel body with anti kickback design, 3 cutting blades. you can replace the router bit blade, Compared with solid carbide drill bits, it is a cost-effective solution. High Quality surfacing Router Bits: Engineered with carbide grade for the highest quality of cut, maximum cutting efficiency, and faster material removal process. Also known as a Surface Planing, Rabbeting, Flycutter, Fly Cutter, Leveler and Bed Skimming Router Bit. Widely Used: Used on soft and hard woods, particle board, MDF, plywood compact panel, laminate, acrylic and etc. This planer router bit is perfect for wood slabs flattening, resurface or plane the top surface of the spoilboard. Be Applicable: Use on CNC and other automatic routers as well as hand-held and table-mounted portable routers. Such as woodworking engraving machine, trimming machine, etc.