This Irwin Joran masonry drill bit / concrete drill has a diameter of 10.0 mm and is suitable for drilling in brick and concrete. The drill bit is 120 mm long with a working length of 80 mm. The improved design of the carbide tip ensures durability and fast drilling in all masonry materials. The aggressive head design offers up to a 15% speed advantage over other brands. A unique soldering process ensures a perfect connection between the tip and the rest of the drill bit. The single-flute design provides maximum space for dust removal, resulting in 60% faster dust extraction. The drill bit has a round shank, making it compatible with quick-change or keyless chucks.