Another Industry First!! The Vortex â€œTornadoâ€ roughing/finishing tool is the fastest cutting router bit in the world. If you have the machine to do it, weâ€™ve got the tool. With increased feed speeds (as much as 3500 IPM), this tool will provide a clean cut on double-sided materials such as melamine and formica laminated particle board. Not recommended to operate under 600 inches per minute.