Precision Size8mm Shank CNC spoilboard surfacing router bit, 51mm cutting diameter, 12.7mm cutting height. Premium MaterialMade of microcrystalline carbide inserts and solid hardened steel body for superior wear resistance and sharp edges, precise cutting reduces debris and burrs, and has an anti-backlash design. High-precision grinding technology, stable and efficient. Multi-Function4 blades allow you to quickly and cleanly cut your project material, clears the surface of your spoilboard or Creates a base surface that is perpendicular to the router motor, also suitable for trimming and ottinggrooving. Can use to flatten live edge boards too large to go through planer, great for projects of any level of complexity. Widely ApplicationsThese router bits suitable for cutting solid wood, particle board, plywood, MDF and different wood composites. (Avoid cutting black metal and non-wood materials such as steel, iron and sand). Applicable MachinesSuitable for CNC and other automatic routers as well as hand-held and table-mounted portable routers. wood engraving machines, trimming machines, etc. Specification: Cut Diameter: 51mm Cut Height: 12.7mm Overall Length: 64mm Package Includes: 1pcs x 8mm Shank Surfacing Router Bit Color: yellow, silver Size: as shown Material: YG6 alloy cutter head, carbon steel cutter body 45 carbon, surface sputtered. Weight: 105 grams Uses: used for grooving wood and cleaning the bottom (both large and small grooves can be opened) Delivery quantity: 1 piece Safety Instructions: 1. The item is only for industrial cuttingengraving. 2. When not in use, please put in the plastic box. 3. Use range suitable for hardwoods, particle board, MDF, plywood compact panel, acrylic; Avoid cutting ferrous metal and non wood materials, iron, etc. 4. Please wear good protective measures.