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 for 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. Can be used to flatten live edge boards too large for a planer. Ideal for projects of any complexity level. 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. Also suitable for 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. 4-wing design enables fast and clean cutting on various materials. Ideal for complex and simple projects alike. Suitable for hand-making and general woodworking tasks. Preferred by both professionals and hobbyists for applications such as flooring, cabinet doors, and home improvement projects. Specifications: Blade Material: YG6 Carbide Alloy Body Material: 45# Carbon Steel Cut 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 use only. 2. Store in a 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.