Amana Spiral 'O' Flute 1/4" Dia., 5/8" Cut Length. This highly polished carbide 'O' Flute bit is great for cutting various materials from Plexiglas, hardwood and aluminum while providing a smooth surface finish. Not to be used in hand routers.
Using the highest quality sub-micrograin carbide these bits have a special proprietary edge processing system featuring a super high polished cutting edge with a unique “mirror finish” resulting in clean cuts, less chance for chip re-welding, a superior surface finish and a longer tool life. Right hand helix right hand cut.