These drill bits are cutting tools designed to remove material for creating holes with a circular cross-section. Available in multiple sizes, they can be used to create various hole types in different materials. Compatible with a drill, they are powered by rotation to cut through the workpiece. Features: - Coating on the bit body helps prevent rust. - Creates clean, smooth openings with no broken edges, minimal vibration, and reduced chipping. - Low cutting resistance allows for stable drilling without damaging the hole edges. - Suitable for drilling ceramic tile, marble, granite, concrete, and other hard materials. - Ideal for drilling faucet mounting holes in stone countertops. Specifications: - Color: Gold - Sizes (optional): 6/8/10/14/16/18/20/22/25/30/35/50mm (0.24/0.31/0.39/0.55/0.63/0.71/0.79/0.87/0.98/1.18/1.37/1.96 inches) - Quantity: 1 piece - Shank Diameter: 5–11 mm - Weight varies by size: 11g to 227g Instructions: 1. For extended tool life, use with water for cooling and lubrication. 2. Compatible with bench drills and hand electric drills. 3. When using a hand electric drill, start slowly at a 45-degree angle and adjust to a vertical position after making an initial mark. Package Includes: 1 x Diamond Drill Bit Notes: - Allow 1–2 mm variation due to manual measurement. - Shank diameters may vary; items are shipped randomly. Actual product may vary slightly from images.