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China water well drilling rig

Reverse Ciculation DTH Bit

DTH Bit
Model Bit Diameter Air Holes Qty*Button Dia(mm) Weight
mm Gauge Front kg
FrC 115 2 8*14 8*13 14.0
140 2 8*16 8*16 16.5
165 2 8*18 8*16 24.9
MIC 133 2 8*16 8*16 17.5
140 2 8*16 8*14 18.0
146 2 8*18 8*14 20.0
Pr5 133 2 8*16 8*14 12.5
140 2 8*16 8*14 13.0
146 2 8*18 8*14 13.5
Pr4 115 2 8*16 8*13 14.4
127 2 8*16 8*14 15.0
133 2 8*16 8*14 15.5

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