Bosch ROBUSTLine Set of 7 Blue Granite Impact Bits

Impact resistant heavy duty Blue Granite drill bit set, gives long life in hard materials like concrete and granite with a fast drilling speed these drill bits are hard to wear out. The deep U- shaped flute helps reduce jamming by clearing dust quickly with a diamond ground tungsten carbide tip that will reduce break out, these bits are also extremely bend resistant. Suitable for granite, concrete, brick, natural and artificial stone, masonry and bricks. Supplied as a set of 7 in a strong ROBUSTLine case - sizes 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 8mm and 10mm. Manufactured to ISO 5468.