Set of 10 diamond drill bits for laying glass and ceramic tiles

General Description This set of 10 diamond drill bits is made of high-quality carbon steel with a nickel-plated surface for increased durability and precision. The drill bit tip features a uniform 80-grit diamond coating, providing exceptional cutting performance and faster drilling than ordinary hole saws. Designed with central guide holes and side evacuation holes for easy chip removal, the nickel plating also improves corrosion resistance and extends the bit's lifespan. Widely compatible with all electric drills, ideal for drilling glass, tile, ceramic, marble, granite, and jade. Easy positioning, low resistance, and low vibration for perfect drilling. Product Specifications: Material: High-quality carbon steel with nickel plating. Drill bit: Uniform 80-grit diamond coating. Quantity: 10 pieces. Sizes: 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm, 12 mm, 18 mm, 32 mm, 50 mm. Features: Easy positioning, low cutting resistance, low vibration. Application and Compatibility: Suitable for: Glass, tile, ceramic, floor tiles, jade, marble, granite. Not suitable for: Tempered glass, concrete, or drilling very hard surfaces. 1/2" depth. Suitable for: All standard electric drills.