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    Shandong Zhongrui Construction Machinery Co., Ltd official website!

    National Service Hotline:
    15005366588
    ZRQ115A1-DHD340 high wind pressure down-the-hole drill bit
    ZRQ115A1-DHD340 high wind pressure down-the-hole drill bit
     
     

    ZRQ115A1-DHD340 drill bit technical parameters

    Model

    Edge teeth

    Middle tooth

    Head structure

    Number of exhaust holes

    Number of splines

    Weight kg

    With impactor

    ZRQ115A1-DHD340

    8-Φ14Q

    6-Φ13Q

    Plane

    2

    8

    8.1

    ZRC4A,

    ZRC4,

    DHD340

    ZRQ115A1Z-DHD340

    8-Φ14Q

    6-Φ13Z

    Plane

    2

    8

    8.1

    ZRQ115A1-DHD340 drill bit features

     

    ZRQ115A1-DHD340 drill bit is a general-purpose drill bit developed by our company according to the characteristics of domestic rock formations, and its side teeth use 8

     

    The 14mm alloy ensures the wear resistance and fracture resistance of the alloy. At the same time, the bit body adopts a special heat treatment process

     

    Technology, effectively reducing the probability of damage such as breakage, chipping, etc., so that the bit body and the alloy life can be effectively matched,

     

    Embodied the characteristics of long life and high efficiency.

     

     
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