Coal mining drill rods, often made from high-strength steel, serve as the backbone of drilling operations. These rods, typically in a series of interconnected segments, form a sturdy conduit through which drilling machinery can penetrate deep into the earth. They transfer the torque and thrust from the drilling rig to the bit at the end, enabling it to cut through rock and coal with precision and force.
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2025-08-18 02:37
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