New Dry Diamond Drill Bits for Porcelain Tile Granite M14 thread Diameter 6mm to 68mm

Application: Worked great for dry/wet drilling holes through porcelain tile, granite, marble, stone, Masonry, brick..

Feature: 1.Advanced vacuum brazing technology,greatly improve the performance of the product and working life;

             2. High quality core steel helps to be more efficient and durable, not easy to deform, appropriate drainage tank design make the drilling fast and stable, good for chip removal;

             3. The top of the bit is made of high quality diamond, which is closely arranged, with high exposure and longer service life;

             4. U-groove tooth shape, cut sharper, help for chip removal;

             5. 6-10mm with wax inside, dry drilling without water; When drilling, the wax will melt to lubricate and cool the drilling surface;

             6. The drilling effect is good, minimize the damage, and the hole edge is smooth with no broken edges; 

             7. Cost saving and high cost performance;

             8. Please ensure that all forms of impact or hammering actions are closed;