Precision Size 8mm Shank CNC Spoilboard Surfacing Router Bit, 51mm Cutting Diameter, 12.7mm Cutting Height. Premium Material: Made of microcrystalline carbide inserts and solid hardened steel body for superior wear resistance and sharp edges. Precise cutting reduces debris and burrs, with an anti-backlash design. High-precision grinding technology ensures stable and efficient performance. Multi-Function: 4 blades allow fast and clean cutting of project materials. Clears the surface of your spoilboard or creates a base surface perpendicular to the router motor. Suitable for trimming and slotting/grooving. Ideal for flattening live edge boards too large for a planer. Great for projects of any complexity. Wide Applications: Suitable for cutting solid wood, particle board, plywood, MDF, and various wood composites. Avoid cutting black metal and non-wood materials such as steel, iron, and sand. Applicable Machines: Compatible with CNC and other automatic routers, as well as hand-held and table-mounted portable routers, wood engraving machines, and trimming machines. Features: Designed for desktop engraving machines, including CNC hand-held and table-mounted routers. Not suitable for use in electric drills or drill machines. High-quality woodworking cutter provides precise, smooth cuts with no burrs. The 4-wing design enables fast and clean cutting on various materials. Ideal for complex projects. Perfect for handmade crafts and general woodworking tasks. Preferred by professionals and hobbyists for making floors, cabinet doors, and more. Suitable for home improvement and workshop use. Specifications: Blade Material: YG6 Carbide Alloy Body Material: 45# Carbon Steel Cutting Diameter: 51mm Cutting Height: 12.7mm Overall Length: 64mm Package Includes: 1 x 8mm Shank Surfacing Router Bit Safety Instructions: 1. For industrial cutting and engraving only. 2. Store in plastic case when not in use. 3. Suitable for hardwoods, particle board, MDF, plywood, compact panels, and acrylic. Do not cut ferrous metals or non-wood materials such as iron. 4. Always wear appropriate personal protective equipment during use.