• 科普盘点幸运飞行艇官方开奖直播 幸运168**开奖结果直播 168飞艇开奖**结果 幸运飞行艇168体彩开奖网 查询现场开奖直播 168官方历史开奖记录 体彩网 开奖结果 **开奖视频直播 号码查询 历史记录 正规**开奖网址 Your one-stop destination for insider beauty secrets, product reviews, and more—all vetted by our editors and the industry's top pros.。

    Shandong Zhongrui Construction Machinery Co., Ltd official website!

    National Service Hotline:
    15005366588
    ZRQ165B-DHD360 high wind pressure down-the-hole drill bit
    ZRQ165B-DHD360 high wind pressure down-the-hole drill bit
     
     

    ZRQ165B-DHD360 drill bit technical parameters

    Model

    Edge teeth

    Middle tooth

    Head structure

    Number of exhaust holes

    Number of splines

    Weight kg

    With impactor

    ZRQ165B-DHD360

    9-Φ18Q

    9-Φ16Q

    Plane

    3

    8

    25

    ZRC6

    ZRC6A

    DHD360

    COP64

    ZRQ165B-DHD360 drill bit features

     

    ZRQ165B-DHD360 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

     

    Nine 18mm alloys. Due to the use of 3 powder discharge troughs and the application of larger alloys, it is relatively

     

    The service life and work efficiency of conventional ZRQ165G drill bits have been greatly improved.

     

     

     
    168网体彩飞艇--直播-幸运飞行艇【--】开奖记录-查询结果-开奖直播询