Two flute cutter is Tungsten Carbide Tippeed (TCT) for abrasive materials such as chipboard, MDF, plywood, hardwoods and hard plastics. It has two flutes to give a clean finish to cut edges. All cutters above and including 9.5mm diameter, have TCT plunge centre tips. TCT for abrasive materials such as chipboard, MDF, plywood, hardwoods and hard plastics. Two flutes give a clean finish to cut edges. All cutters above and including 9.5mm diameter, have TCT plunge centre tips. Specifications Diameter 7.9mm Cutting Depth 25mm Overall Length 70mm Shank Diameter 1/4"