Concrete drill bit, Bosch, 4-10 mm, 5 pc

5 Piece Masonry Mini X-Line Drill Set.. Longer life in concrete and faster drill speed in comparison to the competition. It is extremely bend-resistant. Impact-resistant heavy-duty drill bit, manufactured to ISO 5468, for impact drills up to 1000 Watt and rotary hammer with chuck tool holder. Suitable for fixing holes and drilling in concrete, artificial stone, masonry and bricks. Kit Consist: 4 mm, 5 mm, 6 mm, 8 mm, 10 mm.