CMT Solid Carbide Downcut Spiral Bits feature specially formulated super micrograin composition to provide long lasting cutting edges, with the spiral giving a superior shear action and cleaner cut, as well as efficient chip ejection.
These style of bits are recommended for use with handheld routers and CNC machines to cut a wide variety of materials such as softwoods and hardwoods, ply, laminates, MDF and plastic materials.
Photo shows a cutter from the same category, indicating the style and overall look.