Premium concrete drill bits. Suitable for drilling into concrete, aerated concrete blocks, masonry, slate and granite. Tungsten carbide tipped (TCT) drill bits allow drilling into concrete, aerated concrete blocks, masonry, slate and granite. From 5 mm the hammer drill bits are supplied with a 3 flat shank to prevent the drill bit slipping in the chuck. 3 & 4 mm the drill bits are supplied with a round shank. Red flute to identify the drill bit easily in the users tool box. Can be used in hammer

Brand Name	Milwaukee