Precision Size 8mm Shank CNC spoilboard surfacing router bit, with a cutting diameter of 51mm and a cutting height of 12.7mm. Premium Material Made from microcrystalline carbide inserts and a solid hardened steel body for excellent wear resistance and sharp edges, ensuring precise cutting that minimizes debris and burrs, featuring an anti-backlash design. High-precision grinding technology ensures stability and efficiency. Multi-Function Four blades enable quick and clean cutting of your project materials, clears the surface of your spoilboard or creates a base surface that is perpendicular to the router motor, also suitable for trimming and slotting/grooving. Can be used to flatten live edge boards that are too large for a planer, making it ideal for projects of varying complexity. Widely Applications These router bits are 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 Machines Suitable for CNC machines 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: 1 piece 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 intended for industrial cutting/engraving only. 2. When not in use, please store in the plastic box. 3. Suitable for hardwoods, particle board, MDF, plywood compact panel, acrylic; avoid cutting ferrous metals and non-wood materials such as iron, etc. 4. Please wear proper protective equipment.