ZUANSHENTOOL Diamond Drill Bits Set, 5 Piece Dry Diamond Hole Saw with Quick Change Hex Shank for Granite Ceramic Marble Tile Stone Glass Hard Materials (not for Wood) 1/4, 5/16, 3/8, 1/2 inch
- ...ign: The diamond drill bit is integrated with cooling wax. The wax melts while drilling absorbing and dissipating heat allowing for Dry drilling (water may be added for longer life and harder stones)..
- 1/4 inch Hex Shank: The tile drill bit set is equipped with a 1/4" hexagonal shank. Quick change hex shank provides a better chuck grip and fits, which is compatible with most machines..
- Easy to carry and use: 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..