General description High-quality multifunctional ceramic tile drill bit set designed for smooth and accurate drilling on various materials including tiles, marble, thin iron plates, mirrors, and glass. Made from high-quality hard alloy, these drill bits feature a fully ground and anti-rust design, ensuring durability and efficiency. Technical specifications Material: Hard alloy Sizes: 5MM, 6MM, 8MM, 10MM, 12MM Dimensions: 4.5 x 2.2 x 14.1 cm Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with general hand electric drills and bench drills Package Contents: 10 x Multifunctional tile drill bit Usage For optimal performance, remember to add water or coolant while drilling. The horizontal angle design minimizes incision resistance, allowing for stable drilling at a fast speed without edge damage. Other information