For fast drilling-accuracy when producing through-holes, pre-drilling for rafter nails and drilling deep dowel holes in wood. Heavy-duty self-feeding tip pulls the bit through completely, which allows for quick and effortless precision-drilling. Optimised low-friction flute geometry with a solid centre and scoring spur with precision-ground main cutting edge deliver straight, accurate holes, high chip removal rate and increased speed. Ideal for use in the ancillary building trades, for carpenters and ro... - Manufacturers part number: 2608585700