- Professional SDS Plus Drill Bit 18 mm x 310 mm, designed for drilling concrete, natural stone, granite, and brick walls - 4-cutter carbide head and special cross-cut for greater precision and drilling speed - Optimized double-spiral geometry that facilitates chip removal and reduces the risk of jamming - Tungsten carbide inserts ensure durability and high wear resistance - Compatible with all standard SDS Plus hammers and drills, ideal for professional and home use - Allows fast and stable drilling even in hard materials such as reinforced concrete - Essential tool for construction, renovation, and DIY projects