Diamond Drill Bit, 10 pcs Glass Diamond Hole Saw Set Drill Bits Extractor Remover Tools for Ceramics, Porcelain, Ceramic Tile 6mm - 30mm - Product Features
- EXTREME HARD - Made of industrial grade carbon steel with nickel-coated body to resist corrosion.
- THICKEN DIAMOND COATING - on the tops offers superior cutting strength for maximum drilling outcomes.
- LARGE CLEARANCE HOLE - The glass hole saw set along the drill bit facilitate the entrance of cooling water and escape of chips and other particles from drilling.
- WIDE USAGE - Ideal for drilling glass, tile, porcelain tile, ceramic tile, brick, and stone.
- WARM NOTE - Before beginning, you need to dip the drill bit into the water, which can avoid dust flying around and cool down the drill bit.