1/4″ Shank Spiral CNC/Router Bits

Our largest selection of spiral bits is in the 1/4″ shank size and can be used on CNC machines, hand routers and router tables. Available in tip diameters ranging from 1/16″ to 1/4″, our spiral bits come in a multitude of different cuts and flute or cutting lengths. AstraHP Coated (unless noted), all ready to produce the cleanest cuts on your Onefinity, Shapeoko, X-carve, Shaper Origin, or your favorite hand router as well.