2-in-1 Hexagonal Shank Brazing Dry Drilling Specialized Hole Opener Diamonds Cores Drill Bits 6mm or 8mm or 10mm or 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 or 0.24in 8mm or 0.31in 10mm or 0.39in 12mm or 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, 6and8and10mm, 6and8and10and12mm PACKAGE INCLUDES 1 andtimes 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.