[Bit Size]---This industrial grade CNC router bit has 6mm shank, 6.35mm cutting depth, 40mm cutting diameter, 47mm total length Clean Surface: The planer bit features 4 flutes, allowing you to cut your project material quickly and cleanly, cleans your spoilboard surface. No hassle, precise Premium Material: C3 micro-grain tungsten carbide cutting tip and solid hardened steel body for sharp and durable use Unique Design: Solid hardened steel body with anti-kickback design, high hardness and toughness. Silver induction brazing provides strong strength and durability [Usage]---The router bit is suitable for cutting solid wood, particle board, plywood, MDF, etc. Use on CNC and other automatic routers, as well as portable and table-mounted routers Features: 4-wing router bit for facing, or planing, the top surface of the spoilboard, suitable for cutting plywood, MDF, laminate, particleboard and other wood composites. High-precision grinding technology provides excellent abrasion resistance