Bosch 2608588167 Robust Line Masonry Drill Bit Set 7 Piece

New power grip system makes for a stronger more positive grip in the drill chuck.
Diamond ground with precision tip gives minimal surface breakout.
Supplied in ROBUSTLine easy to open case.
Includes 1 x 4mm, 2 x 5mm, 2 x 6mm, 1 x 8mm and 1 x 10mm.
Impact resistant, heavy-duty CYL-5 drill bit set have long life for drilling in hard materials such as concrete and granite.
Fast drilling speed these but are hard to wear out.
New Vario flute reduces friction and aids fast dust removal quickly.
Diamond ground tungsten carbide tip helps to reduce break-out.
Manufactured to ISO 5468.