General description The Concrete Drill Bit set includes 7 pieces with sizes of 4mm, 5mm, 6mm, 6mm, 8mm, 10mm, and 12mm, each with a length of 160mm. Designed for use with electric SDS-Plus impact drills, these bits are ideal for drilling into concrete, brick, stone, ceramic tiles, wood, aluminum, plastic, and multi-layer materials. The innovative X-shaped head and double fluted spiral design enhance efficiency and ease of use. Technical specifications Sizes: 4mm, 5mm, 6mm, 6mm, 8mm, 10mm, 12mm Length: 160mm Drilling depth: 100mm Compatibility and accessories Compatible with all drills featuring an SDS-Plus chuck Comes in an individual red box for easy storage Usage Suitable for drilling holes in various materials including concrete, ceramic tiles, stone, wood, aluminum, plastic, and multi-layer materials Other information Made of high-quality carbide steel, ensuring durability and rust resistance Tungsten carbide tipped drill head for enhanced strength and resistance to extreme loads