Description

Fast drilling rate due to optimised flute geometry. With threaded centring tip, one main spur and one pre-cutting spur. Precision ground for accurate dimensional stability when drilling. Ideal for use in ancillary building trade, especially for joiners and roofers; for use in fir and beech wood, even in wet wood. Also suitable for deep dowel holes and to pre-drill rafter nails. High break resistance. Fine surface finish. Energy-saving: Bosch auger drill bits pull themselves through the wood to the other side. Accurate holes thanks to the precision-ground centre tip and cutting spurs.