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  • Introduction of PDC drill bit
    2021-08-05
    Introduction of PDC drill bitThe drilling operation is essentially a cutting process, and the prerequisite to complete the cutting process is that the hardness of the tool material must be higher than the hardness of the material being processed. PDC drill bit is more common in our daily life, but w
  • Introduction of the tricone bit
    2021-08-04
    Speaking of tricone bits, a lot of people don't know what they are. Tricone bit and ordinary bit are similar, and tricone bit can also be called tricone drill bit which is widely used in our life a product, but, it is better in some aspects compared with the ordinary bit. To give you a better unders
  • How to choose the hole opener that suits your needs
    2021-08-03
    How to choose the hole opener that suits your needsRegarding how to choose a hole opener that suits your needs, this requires us to consider the usage scenarios in real life. There is a big difference between a hole opener suitable for daily household use and one used in professional work, so we nee
  • Hdd pilot bit with pdc cutters (why you need it)
    2021-05-11
    Why do you need an evolution hdd pilot bit with pdc cutters? rop if you want higher rop, the evolution drilling tools hdd pilot bit will give it to you. the bit’s blade geometry and cutter layout allows the pdc cutters to push further into the formation than a standard pdc bit. combine that …
  • How does the tri-cone bit work?
    2021-05-11
    the breaking effect of tri-cone bit on rockthe main way-impact, crushing effect:the impact force and static pressure of its longitudinal oscillation all lead to the impact and crushing effect of the teeth on the ground, forming a volume broken pit.auxiliary method-sliding, shearing action:the radial
  • How does the tri-cone bit work?
    2021-05-11
    the breaking effect of tri-cone bit on rockthe main way-impact, crushing effect:the impact force and static pressure of its longitudinal oscillation all lead to the impact and crushing effect of the teeth on the ground, forming a volume broken pit.auxiliary method-sliding, shearing action:the radial
  • How does the tri-cone bit work?
    2021-05-11
    the breaking effect of tri-cone bit on rockthe main way-impact, crushing effect:the impact force and static pressure of its longitudinal oscillation all lead to the impact and crushing effect of the teeth on the ground, forming a volume broken pit.auxiliary method-sliding, shearing action:the radial
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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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