Product Information
- Diamond Drill Bit Set, diameter 1/2",3/8",5/16",1/4"x3,3/16x2,1/4"Pilot drill bit x1,Round shank.
- Vacuum Brazed diamond technology,more efficient, more accurate and more durable.
- Clearly visible high quality diamond sand.
- The drill bit is filled with Wax Lubricant to keep it cool while drilling without the need to add water.
- Widely used, suitable for handgun drill and bench drill,Can be applied to Porcelain tile,Ceramic tile,Quartz stone, Glass,Ceramics,Granite,Brick,Marble,Acrylic.