Bosch 2608597631 Auger Drill Bit For Wood with Hex Shank 18mm x 160 mm x 235mm The Bosch 2608597631 Auger Drill Bit is specially designed for fast drilling accuracy in wood. It features a heavy-duty self-feeding tip that pulls the bit through completely for quick precision drilling. The optimised low-friction flute geometry design with a solid centre ensures a high chip removal rate and straight holes. It has a hexagonal shank system which works with all drill drivers with a 13mm chuck and is extra long. Features: Ideal for fast drilling accuracy when producing through holes, pre-drilling for rafter nails and drilling deep dowel holes in wood. The heavy-duty self feeding tip pulls the bit through completely which allows for quick and effortless precision-drilling. Low friction flute geometry with a solid centre ensures straight holes and a high chip removal rate. Suitable for drilling soft and hard wood. Its hexagonal shank system works with all drill drivers with a 13mm chuck. It is