How to choose right betek round shank bulllet teeth for the drilling tools?

How to choose the right betek round shank bullet teeth for the drilling tools? During foundation construciton, the engineers will need to purchase new betek round shank bullet bits to replace those that are severely worn during construction. First we have to consider the formation, different formations have different requirements for round shank bullet bits. Secondly, we should consider the quality of the bullet tooth itself. How is the material used? Is the strength enough? How about their wear resistance? Now, for medium strength rock formations, we recommend using the betek bullet teeth as shown below, our this kind of bullet teeth could meet all of the above requirements.