XIANQI SPECIFICATIONS: 90 degree tip; 1-1/2" cutting dia.; 1/2" shank; 1"(25mm) carbide height; 2-1/2"(63mm) overall length. Industrial quality tungsten carbide v-groove router bit APPLICATIONS: Cuts all composition materials, plywood, hardwoods, and softwoods, chipboard, and MDF etc. Designed to cut deep or shallow V grooves FEATURES: Carbide tip with high hardness(91-91.5HRC), nice cuts and long life. Solid hardened steel (45# carbon steel) body with anti-kickback design HOW TO USE: Use on edge trimmer, handheld, table-mounted, CNC and other automatic routers. All bits must be inserted in the collet in full length WARM TIPS: Cannot be used to cut ferrous metal and non wood materials. suggested feeding speed: 8-12M/Min; suggested spindle speed: 18000-24000RPM Applicable Equipment Suitable for all range of routers, such as handheld routers, table routers, electric routers, engraving machines, trimmers, CNC and other automatic routers. Cannot be used on electric drill and drill press etc.. All bits must be inserted in the collet in full length so as to offer enough clamping force and avoid causing damage to the bits. Be sure to use router bits and accessories specifically designed for your router. Carbide Blades Carbide blades, 91-91.5 HRC hardness, sharp cutting edges, wear-resistance, smooth cuts, long service life. Surface Treatment Processed by spray-painting technology for elegant appearance, rust prevention and corrosion resistance. Multi-use Perfect for creating deep or shallow V grooves. Great for sign making or adding decorations. Universal Shank Steel round shank is heat-treated for hardness and rigidity. can be used with a wide variety of tool holding systems. Color: light blue Product includes: 1 X Drill