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  • What should you know about using PDC drill bit?
    2021-10-15
    PDC drill bit is very specific to the formation. In directional construction, as the strength of the formation increases, the tool face changes greatly. The PDC drill bit mechanical drilling speed is significantly higher than that of the roller cone bit, and it can be achieved with a smaller WOB. Th
  • Why is the PDC drill bit so good?
    2021-10-12
    PDC drill bit is very specific to the formation. In directional construction, as the strength of the formation increases, the tool face changes greatly. The PDC drill bit mechanical drilling speed is significantly higher than that of the roller cone bit, and it can be achieved with a smaller WOB. Th
  • How to choose PDC core drill bits?
    2021-10-11
    PDC core drill bits selects high-quality diamond composite sheet, which has the characteristics of wear resistance, high drilling efficiency, and constant quality. For medium-hard and hard rock formations of f=1-16 level, PDC core drill bits can destroy them in one blow. If the rock mass is extremel
  • The working principle of the hole opener
    2021-09-29
    The working principle of the hole opener is relatively simple: in the ordinary hole opening mode, it is the same as the hand drill, the motor drives the gear drive, the gear drives the rod rotation, which in turn drives the drill rotation so that the hole opener can complete the drilling work, this
  • Use and maintenance of the single roller cone bit
    2021-09-28
    Due to the high wear and tear of oil drilling and geological exploration work, proper use and routine maintenance of single roller cone bits are essential. So how do you carry out suitable maintenance on single roller cone bits?Here is the content list:l How to use single roller cone bits.l Repair a
  • Best choice for PDC core drill bits
    2021-09-27
    With the development of the times, the efficiency of underground operations has greatly improved. PDC core drill bits are one of the important factors to improve construction efficiency. PDC core drill bits are very suitable for drilling rock from underground wells for analysis. PDC core drill bits
  • How to use a tricone bit ?
    2021-09-24
    Tricone drill tricone bit is much cheaper than natural diamond tricone bits after the PDC drill tricone bit was successfully manufactured and used in the early 1970s, it has been developed rapidly. When we choose and buy mine tricone tricone bit, there are a lot of matters that need to be paid atten
  • How to maximize the role of the reamer?
    2021-09-23
    Reamers are typically made of carbide or high-speed steel (HSS), and these multi-edged rotary cutting tools can be used in the metalworking industry to expand and trim holes to higher precision and precision. To ensure the quality of the project, the product must be completed to a high standard. We'
  • The efficiency and use scenarios of different openers are different
    2021-09-22
    The efficiency and use scenarios of different openers are differentIf the price and power of the hole opener are also arranged from low to high, the role of the size is also almost increasing, many families are equipped with a simple version of the hole opener. Or hole opener set or something, which
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Hejian Hengji Bit Manufacture Co.,LTD  is specialized in researching and production of rock drilling bits , mainly includes tricone bits, PDC bits, HDD hole opener, foundation single roller cutters, drag bits and related tools with advanced CNC machines and R&D team.

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