Raizi Vacuum Brazed Diamond Hole Saw Tile Drill Bits With 1/4" Shank

Raizi Vacuum Brazed Diamond Hole Saw Tile Drill Bit Raizi vacuum brazed tile drill bits is designed for ceramic tiles, porcelain tiles, and other material such as marble, granite and concrete, which is magic diamond tool for DIY working. Raizi Ceramic Tile Drill Bit has comparable quality with RUBI.In order to increase the resistance to temperature and friction, vacuum brazed technology is applied to these diamond ceramic tile drill bits. Wax inside the drill bit features cooling it during use the tile drill bit. With 1/4" hexagonal shank connection, the ceramic drill bit can be used on any battery powered drills. Comes with bister package.   Specification: 1/4" Hexagon Shank connection Dry Work Only Average Life: 10-20 holes Minimum Work Speed: 2600 rpm Diamond Height: 10 mm Machine: Power Drills Application:ceramic tiles, porcelain tiles, marble, granite and concrete Bister Package Note: The average life of the tile drill bit depend on the type of material, thickness, proper cooli