Product Description Hammer drill bits fits hammer drills with SDS-plus shank or 2-groove locking (TE) system. The PROJAHN-specific slim, chisel-shaped drill head allows the drill to quickly penetrate into the material to be drilled. The dust is removed quickly over the short run and transported through the asymmetric double-spiral conveyor. A solid core reinforcement provides stability and renowned durability. It allows maximum energy transfer from the hammer drill to drill tip. These drills are equipped with a standard carbide plate, Usage: for concrete, masonry, natural stone Packaging: Individually in SB Packaging note: ** Predrilling with a short drill bit of the same diameter Set Contains: rotary hammer drill bit SDS-plus 26x450 mm