PDC Coring Bits for Mining & Geotechnical which is a kind of pipe-shaped bit with PDC which can get the coring. It is used for geological exploration, coal mining, water canservancy and hydropower, road construction, railway, bridge and building.
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Specifications
Diameter(mm)
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Size
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Cutting Wings
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Screw
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Rock formation
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Outer Dia(mm)
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Inner Dia(mm)
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Height(mm)
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Wing Quantity
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PDC Quantity
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75
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75
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53
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150
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5/6
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5/6
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Square
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F<7medium hard(
Soft rock, coal seam drilling and grouting)
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94
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94
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69
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170
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6/8
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6/8
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113
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113
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88
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195
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8/10
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8/10
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133
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133
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108
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220
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10/12
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10/12
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153
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153
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128
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245
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12
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12
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