For outstanding lifetime, choose Bosch 2608576111 SDS+ 7X Hammer Drill Bits The Bosch 2608576111 is a single SDS Plus-7X drill bit with a diameter of 5.5mm and a working depth of 100mm. The SDS plus-7X Drill Bit provides an outstanding lifetime when drilling in reinforced concrete. Its full-carbide 4-cutter head is composed of the highest-quality carbide, which fortifies the head and provides exceptional impact resistance. Its consistent distribution of drilling power guarantees there is no power loss, which increases the overall lifetime. Bosch´s unique diffusion welding technology (IDS) provides a strong bond between head and flute. Moreover, the 4-flute design with wide channels reduces wear on the bit by allowing for effective dust removal. This bit is intended for hammer drilling in masonry, concrete and reinforced concrete. It is compatible with rotary hammers with SDS plus holders. Features: Bosch\'s diffusion welding technology (IDS) provides strong bond between head and flute SDS plus-7X Drill Bit provides an outstanding lifetime when drilling in reinforced concrete 4-flute design with wide channels reduces wear on the bit by allowing for effective dust removal Full-carbide 4-cutter head is composed of the highest-quality carbide for exceptional impact resistance Specification: Pack Qty: 1 Diameter: 5.5mm Total length: 165mm Working length: 100mm