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Bits with Make-and-Break in The Interior

CCTEG Xi'an Research Institute
  • Certification：ISO 9001:2015
  • Manufacturing Process：Cutting
  • Material：Alloy Steel
  • Specification：94-120mm
  • Trademark：ROCK BIT
  • Origin：Xi′an

Base Info

    Description

    Product Description

    [Application scope]
    It is used for the problem of poor gas drainage in soft and outburst coal seams and broken formations. The large-diameter spiral drill rod can be used to quickly drop the screen pipe from the center of the drill rod and improve the gas drainage effect.

    [Design features]
    The center wing of the drill can be opened freely, and the drill can be lifted after lowering the screen to ensure that the wing does not fall off and can be reused.
    Product TypeUsual Format
    Articulated drill bitΦ94mm,φ103mm,φ113mm,φ120mm

    Bits with Make-and-Break in The Interior
    Bits with Make-and-Break in The Interior
    Bits with Make-and-Break in The Interior
    Bits with Make-and-Break in The Interior
    Bits with Make-and-Break in The Interior