We provide all diamond core drilling bits is used for the drilling operations in concrete, reinforced concrete, marble and granite. The thickness of drilling teeth and tube is thinner than the three-step one, which can reduce substantially the resistance of the drilling, and with high speed a long service life and being used in wild way.
It adopts the independently developed new-type drilling teeth and second-generation manufacturing technology. It features a unique power in its drilling and cutting reinforced concrete, sharp drilling bit, long life span, and easy, fast operation.

The below specification is only for reference, other or special specification can be ordered by customers, OEM orders are welcome. Please do not hesitate to contact us for more information.