Enhance your drilling projects with this premium Diamond Hole Opener, crafted from high-hardness diamond material for exceptional durability and long-lasting performance. Designed for efficient and precise drilling, this hole opener delivers strong opening performance and a fast drilling speed, ensuring smooth and seamless holes every time. Utilizing advanced diamond brazing technology, the sharp tooth blade guarantees clean, smooth openings without broken edges or vibrations, providing professional-grade results on various hard materials. Key Features: · Premium Diamond Material: Made from high-quality diamond with superior hardness, offering excellent wear resistance and extended tool life. · Sharp Tooth Blade with Diamond Brazing Technology: Ensures precise drilling with smooth hole edges and minimal vibration for a professional finish. · Efficient Chip Removal Design: The chip removal holes facilitate effective debris evacuation, preventing clogging and maintaining drilling efficiency. · Versatile Application: Ideal for drilling through tough surfaces including marble, concrete, granite, tile, and glass. · Easy Installation: Compatible with electric drills, enabling quick and secure attachment for convenient operation. · Smooth and Fast Drilling: Delivers strong opening performance with a steady drilling speed, minimizing effort while maximizing results. Specifications: · Material: Diamond · Available Sizes: 16mm (0.6 inch) / 35mm (1.4 inch) optional · Weight: Approximately 37g to 85g (1.3 oz to 3 oz) Package Includes: · 1 x Diamond Hole Opener For optimal performance, operate at slow speeds with continuous water cooling to prevent overheating. This diamond hole opener is a reliable and efficient choice for professionals and DIY enthusiasts seeking high-quality and durable drilling tools for a variety of hard materials.