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OEM Tunnelling Concentric Drilling System Rock Drill Tools 114mm

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February 17, 2025
Category Connection: DTH Drill Bit
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Tags:
#eccentric drill bit #down the hole hammer bits #down the hole drill bits
Brief: Discover the OD 133mm MRE Dual Rotors Overburden Casing Drilling Bit CIR110 Shank, designed for efficient drilling in collapsing rock strata. Ideal for underground mining, this tool features a dual rotor system for precise casing insertion and retrieval. Learn more about its high-grade tungsten carbide inserts and CNC-machined steel body.
Related Product Features:
  • Eccentric Dual Rotors system for drilling overburden casing with diameters ranging from 89 to 323 mm.
  • Reamer bits enlarge to insert casing pipe when rotated clockwise and retract when rotated counterclockwise.
  • High-grade tungsten carbide inserts ensure durability and wear resistance.
  • CNC-machined steel bit bodies for precision and strength.
  • Ideal for collapsing rock strata in underground mining applications.
  • Compatible with CIR110, HD45, and DHD340 shank adapters.
  • Weighs between 16 to 17.5 kg for easy handling and operation.
  • Widely used in tunneling, quarrying, and horizontal drilling industries.
Faqs:
  • What is the diameter range for the MRE Dual Rotors Overburden Casing Drilling Bit?
    The MRE Dual Rotors system is designed for diameters ranging from 89 to 323 mm, making it versatile for various drilling applications.
  • How does the reamer bit function during drilling?
    The reamer bits enlarge to insert the casing pipe when rotated clockwise and can be lifted up from the hole after closing counterclockwise, ensuring efficient casing insertion and retrieval.
  • What materials are used in the construction of the drilling bit?
    The drilling bit features high-grade tungsten carbide inserts and high-quality steel bit bodies, processed using state-of-the-art CNC machinery for superior durability and performance.
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