SDS-plus-7X Hammer Drill 5.5 x 200 x 265 mm. SDS-plus-7X Hammer Drill 5.5 x 100 x 165 mm. The SDS plus-7X drill offers excellent durability when drilling into reinforced concrete. Its 4-cutter full head is made from high-quality carbide, which reinforces the head and provides exceptional impact resistance. The continuous distribution of drilling power ensures that there is no loss of performance, thereby increasing the overall lifespan. Bosch's unique diffusion welding technology (IDS) provides strong adhesion between the head and the neck. Additionally, the 4-spiral design with wide channels reduces wear on the drill by ensuring effective transport of drill debris. This drill is designed for use in masonry, concrete, and reinforced concrete. It is compatible with hammer drills featuring the SDS plus system.