Diamond drill bit hole saw accessory set for glass/tile/ceramic/core drilling tool 8-50mm 10 pieces

General Description: This set of high-quality diamond drill bits is designed for efficiently drilling through glass, marble, tile, ceramic, porcelain, and other hard materials. Made of high-strength carbon steel with a nickel-plated surface, these drill bits are durable and corrosion-resistant. The tip is coated with 80-grit diamond, allowing for fast and precise cutting. Technical Specifications: Material: Carbon steel with nickel-plated surface. Hole saw diameters: 8 mm, 10 mm, 12 mm, 14 mm, 16 mm, 18 mm, 20 mm, 22 mm, 25 mm, 50 mm. Number of pieces: 10. Compatibility and Accessories: Compatible with all electric drills and impact drills. Installation: Begin drilling at a diagonal to mark the hole, then drill. Use water for lubrication to prevent the drill bit from overheating. Ideal for drilling clean, precise holes in glass, tile, ceramic, marble, porcelain, and granite. Ensure the drill bit remains cool during drilling to prevent damage to the material and the tool. Other features: Center and side holes facilitate waste removal. Good performance and long service life.