Product Description Premium-quality micrograin carbide tips are ground on specialized CNC equipment for an extra-fine finish with maximum sharpness and edge retention. Double flute allows for a better finish in harder materials while carbide tip incorporates the wear resistance of carbide and the toughness of a steel body. The fully hardened and tempered steel shank provides ultimate durability. From the Manufacturer Bosch router bits are distinguished for their careful selection of materials exactly calculated cutting geometry long bit life extra sharp cutting edges and low vibration.