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1.Non-front edge double-head single spiral
Main application: gravel, boulder and medium mantle rock |
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2.Soil layer double-head single spiral
Main application: soft stiffsilt and clay, loose to mediumdense sand and gravel |
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3.Rock double-head double-spiral spiral
Main application: Dense sand, granvle and medium up to weak rock.
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4. Rock double-head double-single spiral
Main application: Dense sand, granvle and medium up to weak rock.
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5.Rock signal-head double-single spiral
Main application: Dense sand, granvle and medium up to weak rock.
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6.Rock double-head double-spiral spiral
Main application: Dense sand, granvle and medium up to weak rock.
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7.Rock double-head single-spiral cone spiral
Main application: Dense sand, granvle and medium up to weak rock.
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8.Rock single-head single-spiral spiral
Main application: Dense sand, granvle and medium up to weak rock. |
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