Extra-long durability when drilling concrete and stone. Bosch "in-house" carbide blend combined with diamond-ground cutting edges makes the bit extremely wear-resistant. 2-flute vario design with a short, variable incline provides good dust removal, wear...

Extra-long durability when drilling concrete and stone. The combination of a carbide blend developed in-house by Bosch and diamond-ground cutting edges makes the bit extremely wear-resistant. Friction on the flute from drilled material is notably reduced...