5Pc 6-14mm Hexagonal Shank Brazed Dry Ceramic Tile Drill Bit Marble Granite Vitrified Tile Hole Opener Diamond Drill Bit

Multifunctional tool kit -- 5 Pieces of Dry Diamond Core Drill Bits Kit for drilling holes with Diameter of 1/4inch (6mm) 5/16inch (8mm) 3/8inch (10mm) 1/2inch(12mm) 5/9inch(14mm) Universal Hex Shank -- 5 Pieces of Dry Diamond Core Drill Bits Kit fit a variety of quick-change chucks drills or drivers Vacuum Brazed Diamond Technology -- Great for drilling clean holes to hard materials especially tiles porcelain ground granite ceramic glass marble stone masonry brick (not for wood) Dry Drilling Design -- Diamond Drill Bit integrated with wax lubricant inside which melts while dry drilling and cools the cutting surface; Water can be used as additional cooling to prolong the life of the bit. Dry Diamond Core Drill Bits-- Diamond coating enhances the drilling speed; Depth mark useful for precise project. Colour:black Material:diamond coating alloy Package Contents: 1 x Hex Shank Bit diameter of 6 mm (1/4inch) 1 x Hex Shank Bit diameter of 8 mm (5/16inch) 1 x Hex Shank Bit diameter of 10 mm (3/8inch) 1 x Hex Shank Bit diameter of 12 mm (1/2inch) 1 x Hex Shank Bit diameter of 14 mm (5/9inch) Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.