6-68MM Vacuum Brazed Arrange Orderly Diamond Drilling Core Bit Diamond Drills Hole Saw Hole Cutter Diamond Drill Bits

2. Both wet and dry, with comprehensive specifications and wide applications, can meet different needs; 

3. Adopting high-quality matrix steel and diamond, combined with scientific proportion,
the efficiency has increased steadily; 

4. The diamond particles at the head are arranged orderly; Better and more stable
performance; 

5. The 6-16mm plug cools the wax and plays the role of cooling and lubrication; 

6. The drilling is fast and stable,with less debris and damage, and the drilling finish is good, neat and smooth;