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1.Two wing Belling Bit
Main application: gravel, boulder and medium mantle rock |
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2.Two wing Belling Bit
Main application: coal mine rents |
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3.Rock Two wing Belling Bit
Main application: Medium up to weak rock. |
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4. Reverse circulation bedrock expansion drill
Main application: weak rock, granite |
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5. Rock Three wing Belling Bit
Main application: soil, medium rock. |
