The Concrete Drill Bit Set for Tiles, Glass, and Ceramics is made from premium tungsten carbide with a reinforced head. The strong tungsten carbide tips retain their sharpness longer than traditional steel bits, allowing for easy drilling through a variety of materials. The crosshead design effectively prevents damage or cracks to the surface of the material, resulting in clean and smooth tile cuts. The lack of broken edges increases drilling speed without compromising precision. The concrete drill bits feature a reinforced U-flute slot design, which ensures smooth chip evacuation and improves drilling performance. This allows for fast drilling without widening the hole or causing vibrations. The hexagonal shank provides quick and secure bit changes, fitting easily into all power tools and preventing slipping during drilling. These bits are suitable for most drills, electric drills, hand drills, and bench drills. The Concrete Drill Bit Set is versatile and can be used for drilling glass, ceramic tile, marble, wood, plastic, cement, travertine, stone, concrete, brick, hard plastic, garden pots, pickguards, mirrors, windows, and stainless steel. Whether you're a DIY enthusiast or a professional in the construction industry, these drill bits will meet all your drilling needs. The package includes 7 tile drill bits in sizes ranging from 3mm to 12mm, allowing you to start drilling with the smallest bit and progress to the size you need. These diamond drill bits ensure high drilling precision. The redesigned cross-shaped tip of these concrete drill bits makes positioning easier and improves drilling speed, saving you time when working with hard materials. The premium carbide alloy construction makes these bits more wear-resistant than regular tile drill bits, and the reinforced head prevents cracking, ensuring a longer lifespan. The wide flute design provides fast dust removal and heat reduction, allowing for faster starts and less walking in concrete, brick, and block. These drill bits are also designed with a unique cross angle and U-shaped drainage groove, enabling fast drilling and smoother operation. Key Features: Made from premium tungsten carbide with a reinforced head Crosshead design prevents damage or cracks to the material surface Reinforced U-flute slot for smooth chip evacuation and improved drilling performance Hexagonal shank for quick and secure bit changes Suitable for drilling glass, ceramic tile, marble, wood, plastic, cement, and more Package includes 7 tile drill bits in sizes ranging from 3mm to 12mm Redesigned cross-shaped tip for easier positioning and improved drilling speed Wide flute design for fast dust removal and heat reduction