Dry Diamond Drill Bits Set 5 PCs for Granite Ceramic Marble Tile Stone Glass Hard Materials (not for wood), Round Shank 1/4, 5/16, 3/8, 1/2 inch with Storage Case
- Add Versatility to Your Tool: 5 Pieces of Dry Diamond Core Drill Bits Kit for drilling holes diameter of 1/4 inch(6mm), 5/16inch (8mm), 3/8inch (10mm) and 1/2inch (12mm).
- Vacuum Brazed Diamond Technology: Great for drilling clean holes to hard materials especially tiles, porcelain ground, granite ceramic glass mirror 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.
- Unique Details: Diamond coating enhances the drilling speed.
- Round Shank compatible with most machines such as Hand Drill, Angle Grinder, Bench Drill.
- Side flutes help to remove debris and drill holes smooth and fast.
- Worry Free: This Diamond Drill Bits set comes with a portable storage case for convenient use and store. If you encounter any problems in using the products, please feel free to contact us for satisfactory customer service.