DashHound spial router bit with naco coated, specially designed for 2D and 3D CNC profiling and carving. 【Features】 · Micro-thin ceramic NaCo coating enables the router bit's cutting edge to retain sharpness and lubricity. · Prevents high heat and oxidation · High precision grinded and polished, good rigidity, not easy to break. · Efficiently cut materials such as varoius hard wood and soft wood , Plastics, PVC Foam Board, MDF, Composite etc. 【Application】 For use on CNC, table mount and handheld routers. 【Specification】 Material: solid carbide Type: ball nose, Naco coated Cutting Diameter: 1/16" (1.6mm) Cutting Length: 1-1/2" (38mm) Shank Diameter: 1/4"(6.3mm) Overall Length: 3" (76.2mm) 【Warranty】 quality assurance. 30 days money back, if there are any problem with the item please contact us at first, we will offer new item exchange or refund policy.