Description:  Tile Drill Bits 3/4/5/6/8/10/12mmm Hex Triangle Bit for Glass Ceramic Concrete PVC Hole Opener Wood Drilling Tool.     Specifications:  Type:Glass Drill Bit;  Material:Carbide;  Shank:7mm;  Size:3mm 4mm 5mm 6mm 8mm 10mm 12mm(optional);  Application:Suitable for drilling Glass, Ceramic, Wood, Metal, Plastic, Tile, Cement and more (Thickness under 0.4mm);     Features:  -Superior Material: Made of high quality cemented carbide. Good performance, making clean and accurate holes for you. A set of glass drills that are very easy to work with.  -High Efficient:Small incision resistance,feature drilling stably, fast speed, not breaking the border. Opening neat, smooth, no broken edges, no tremor phenomenon, chip easily.  -Wide Application:Professional glass and tile drill bits provide smooth and accurate drilling in ceramic tiles, marble, mirrors and glass. Cross tip design reduces fracture and the bit features a carbide tip for extended bit life.  -Using Caution:Remember to add water to the materials while cutting or drilling to preserve them from over heating.  -Wide Fit:Can be installed in the general electric hand drill, bench drill, impact drill and so on. The machine drill clamp range is 10mm and above.     Package Included:(optional) 1 X Glass Drill Bit