These high quality concrete drill bits have a unique shaped drill head with centering point and a H-spiral flute for maximum drilling speed and longer lifetime in hard materials such as concrete, aerated concrete blocks, masonry, natural stone, artificial stone, ceramic tile, slate and granite. From ⌀ 12 mm the drill bits are supplied with a multi-flat shank to prevent the drill bit slipping in the chuck.

Сделано в Германии