2-in-1 Hexagonal Shank Brazing Dry Drilling Specialized Hole Opener Diamonds Cores Drill Bits 6mm/8mm/10mm/12mm Hole Cutter for Porcelain Tile Metal Concrete Glass Diamond Hole Saw Bits Diamond Sintering Technology Diamond Hole Saw Kit Item Type: Hole Saw Material: , Cooling Wax Size: Approx. 6mm / 0.24in 8mm / 0.31in 10mm / 0.39in 12mm / 0.47in Choose Range: Hand Drill, Electric Drill, Bench Drill Characteristic: No water needed, dry drilling directly Application: for Various Ceramic, Granite, Ordinary Glass, Quartz Stone, Ceramic Tile, Glass Brick, etc. Style Options: 6mm, 8mm, 10mm, 12mm, 6+8+10mm, 6+8+10+12mm PACKAGE INCLUDES 1 × 2-in-1 Hexagonal Shank Brazing Dry Drilling Specialized Hole Opener NOTES Safety first: Wear protective goggles and gloves to prevent debris injuries. Compatibility: Ensure your drill supports hexagonal shank attachments. Storage: Keep in a dry place to prevent corrosion.