1.This hole saw drill bit set adopts hexagon & M14 thread, suits for angle grinder. The design of U-shaped chip grooves provides longer working life, fast and smooth drilling.
2. The diamond hole saw drill bit set can be used both dry and wet, meet your various needs, recommended adding some water to prolong the service life.
3. Dry/Wet Cutting.This hole saw bit can be cut arbitrarily in wet or dry to meet various user environments. A little water will make it smoother.
4. Easy To Operate,First, keep the hole drill at a 45-degree angle, and then continue drilling at a 90-degree angle with the horizontal surface. It is easy to install and operate conveniently.
This product is specially developed for the drilling of superhard materials such as stone without water . It combines the sharpness of [glass hole saw] with the durability of [sintered hole saw], and can easily drill holes for hard tiles/marbles! Using a new brazing process, the process can firmly fix the diamond particles on the substrate, and it is not easy to fall off, the diamond has high density, sharpness, more wear resistance, longer life ,dry drill and good effect! There is no need to replace the grinding head frequently, which saves working time and greatly improves the production and processing efficiency.