Diamond Core Drill Bits 1/4 Inch (06mm) Tile Hole Saws with 5/8-11 Thread Dry or Wet Drilling for Porcelain Ceramic Tile Granite Concrete Marble Stone Brick Vacuum Brazed Hole Saw - ZUANSHENTOOL, DC-06mm

• Specifications: 2pc vacuum brazed diamond drill Core bits for porcelain ceramic tile. Hole Saw Diameter 1/4 Inch (06mm), Connection: 5/8-11 arbor. Vacuum Brazed Diamond Technology: Increasing resistance to temperature and friction, makes the diamond particles better attach to the core steel improving tool life and machine efficiency. Constructed with high-grade diamond grit for effortless cutting and improved durability in tough applications. U-groove tooth shape and chip removal design of the tile hole cutter ensures you could drill smoothly with no broken edges. Application: Great for drilling through porcelain, tile, granite, marble, stone, masonry, block, brick, and non-reinforced concrete. Recommend Machine: Dry Diamond Core Drill Bit built with 5/8"-11 threading female arbor for most popular Angle Grinders, wet polisher. If you fit them on hand drills, you need an adapter, such as SDS, hex, Round plus shank, etc.