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Hainaisen Tower Drill Bit

PDC is not for the pilot hole core drill bit and reamer PDC flap type composition, pilot hole drilling and reaming drill while drilling complement each other. Widely used in water conservancy hydrological drilling them, such drill with processing flexibility (to meet the large diameter reaming drill processing), high drilling efficiency and long service life, and the accident rate is not easy card drill drill drill Wrap . Since the drill fins welded using mosaic, based on security considerations multistage column drill generally support within kilometers drilling, hierarchical design approach to make this type of drill bit in drilling deviation control of a certain degree of difficulty, for drilling and driller's control have certain requirements, the use of centralizers can solve this problem. Higher price makes multi-stage drill tower continued development, the company has applied for patents related to two, is constantly ongoing improvement.

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