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Geological auger drill rod
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Auger drill rod diameter range 28-113mm, rod body commonly 21-73mm, length 0.5-3m. The rod body is made of high-pressure seamless alloy steel pipe, the spiral blade is made of high wear-resistant T-shaped steel strip, which is pre-stressed winding welding, and the joint is made of high-quality medium carbon alloy steel, vacuum quenching and tempering treatment. It is used in mining, geological exploration, coal seam water exploration and gas emission drilling operations.
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