5 Piece Drill Bit Set for drilling into concrete A neatly packaged drill bit set in a plastic case. Manufactured in Austria. Alpen drill bits are recognised for their quality and performance. Range of application: Special drill bits for shatter-proof rotarydrilling cavity bricks. The unique cutting geometry prevents the cavities from breaking and thereby ensures a secure dowel hold The SDS-plus hammer drill bit F4 with its patented 4X stepped profile and patented tip. Low wear, very long service life. High efficiency drill bit for heavy-duty drilling in concrete, natural stone and brickwork. 00 80705680100 ROBUST - thanks to highstrength tungsten-carbide tip PRECISE - thanks to excellent centering properties EFFICIENT - thanks to stateof-the-art vacuum hardening