【Apply to】Multi-purpose drilling for granite & marble, masonry, concrete, tile/ceramic, glass, hard plastic. All-Purpose Drilling
【Wax inside for cooling】Our Diamond Tipped Drill Bits have wax cores built-in for Cooling and Lubrication.Special Designed with Hole and Groove in the Side of Drill Bit for Removing Stone Chips
【Dry Drilling Design】Upgraded process, ordinary drills can only be used with water. Our products can not only wet drill, but also dry drill. Save time, labor and resources
【Vacuum Brazing Technology】Processed by vacuum brazing technology, long service life, cost-effective; high quality diamond particles, high drilling efficiency and speed