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    Shandong Zhongrui Construction Machinery Co., Ltd official website!

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    ZRQ225-DHD380 down-the-hole drill bit
    ZRQ225-DHD380 down-the-hole drill bit
     
     

    ZRQ225-DHD380 drill bit technical parameters

    Model

    Edge teeth

    Middle tooth

    Head structure

    Number of exhaust holes

    Number of splines

    Weight kg

    With impactor

    ZRQ225-DHD380

    10-Φ18Q

    7-Φ16Q

    Concave surface

    2

    10

    52.8

    ZRC8A

    ZRC8

    DHD380

    COP84

    8-Φ18Q

    ZRQ225-DHD380 drill bit features

     

    ZRQ225-DHD380 drill bit is a universal drill bit developed by our company according to the characteristics of domestic rock formations, and its side teeth are adopted

     

    10 18mm alloys ensure the wear resistance and fracture resistance of the alloy. At the same time, the large head adopts a concave layout.

     

    Effectively ensures the straightness of the drill bit during the drilling process, and the drill body adopts a special heat treatment process, which effectively reduces its

     

    The probability of damage such as fracture and block collapse effectively matches the life of the bit body and the alloy, reflecting the high lifespan

     

    And the characteristics of high efficiency.

     

     
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