Shoe milling
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It is designed for lifting operations of casing pipe 127 mm by rotator of drill rig.
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It is used with casing pipe 108 mm for drilling down tube.
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It is used with casing pipe 127 mm for drilling down tube.
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It is used with casing pipe 146 mm for drilling down tube.
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It is used with casing pipe 168 mm for drilling down tube.
