Drill bit with a hexagonal shank system. Works with all drill drivers with a 13-mm chuck. Suitable for fast drilling accuracy when producing through-holes, pre-drilling for rafter nails and drilling deep dowel holes in wood. Self-feeding tip pulls the bit through completely enabling quick and effortless precision drilling. Optimised low-friction flute geometry with a solid centre delivers straight holes, high chip removal rate and increased speed. Suitable for soft and hard wood.