Core barrel with roller bits
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The core barrel is a hollow cylindrical drilling tool. Its design enables efficient and intact retrieval of deep geological materials while minimizing disturbance to surrounding strata. The main body is a hollow cylindrical, typically made of high-strength alloy steel so that the core barrel have wear resistance and impact durability. Hard alloy teeth are installed at the bottom to fracture rock or soil. The body have the air hole to prevent suction-induced jamming. Wear ribs are regularly distributed to prevent the body and increase the working life of core barrel.
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Core barrel with roller bits
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