Brief: Discover the OD 127mm MRE Dual Rotors Eccentric Overburden Casing Drilling Bit CIR Shank, designed for soft and hard rock formations. This advanced drilling system expands at clockwise rotation to bring casing pipes into the hole and retracts anticlockwise for easy retrieval. Ideal for diameters 89-323mm, it's perfect for collapse rock strata and underground mining.
Related Product Features:
89~323mmの外径ケーシングパイプに適しており、幅広い用途に対応します。
信頼性の高い性能のために,崩壊岩層で広く使用されています.
Ideal for underground mining industry with robust construction.
Features dual rotors for efficient eccentric overburden drilling.
Expands at clockwise rotation and retracts anticlockwise for easy retrieval.
High-grade tungsten carbide inserts for superior wear resistance.
Made from high-quality steel for strong toughness and hardness.
How does the MRE Dual Rotors Eccentric Overburden Casing Drilling Bit operate?
At clockwise rotation, the reamer bits expand to bring the casing pipe into the hole. After completion, the bits close anticlockwise and can be lifted up by the drilling rig.
What industries commonly use this drilling bit?
This drilling bit is widely used in the underground mining industry and is ideal for collapse rock strata.