Maker Made CNCs solid carbide V-Groove router bits are designed for engraving a variety of materials with ease. . The V-Groove router bit has a 60 degree V on one side and a 90 Degree V on the other for easy switching. The V-Groove router bit is perfect for the Maslow CNC and other CNC machines. -- V-Groove Bits are a specialty bit named for their unique tip shape and are typically used for decorative cutting purposes. The sharp, pointed channel they produce is ideal for lettering, engraving, sign-making, or similar project types. V-grooves come in various angles to fit the specific look you're going for in a given cut.