6-68mm Dry Vacuum Brazed Diamond Drilling Core Bits/ Diamond Hole Cutter/ Ceramic Tile Cutter Granite Core bit

2, Wet and dry drilling, comprehensive specifications, wide range of applications, can meet different needs; 

3, Using high-quality base steel and diamond, combined with the scientific ratio to build,
the efficiency steadily increases; 

4, Diamonds in the head are arranged in an orderly manner; better and better performance;
5, 6-16MM contains cooling wax, which plays the role of cooling and lubrication; 

6, Drilling fast and smooth, less debris, less breakage, good drilling finish, neat and smooth;