General description The Concrete Drill Bits set includes 9 pieces ranging from 5mm to 16mm, designed for use with electric hammer drills. This versatile set allows you to drill all common dowel holes with a maximum drilling depth of 100mm. Technical specifications Number of pieces: 9 Sizes: 5mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm Length: 160mm Drilling depth: 100mm Compatibility and accessories Compatible with various drills including Bosch, Makita, Hilti, Einhell, Kress, and more Comes in an individual red case Usage Suitable for drilling holes in concrete, ceramic tiles, stone, wood, aluminum, plastic, and multi-layer materials Not recommended for use with three-claw impact drills Other information Made of high-quality carbide steel, durable and rust-resistant Tungsten carbide-tipped drill head for enhanced strength and load resistance Innovative X-shaped geometry with a unique cross-groove design for optimal disassembly Double flute spiral for efficient waste removal Round handle