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China water well drilling rig

FQL series DTH Bit

FQL series DTH Bit
Model Bit Diameter Air Holes Qty*Button Dia(mm) Weight
mm Gauge Front kg
FQL30(COP34) 85 2 6*13 4*12 4.5
90 2 6*14 4*12 4.7
95 2 6*14 5*12 4.9
100 2 8*13 6*12 5
105 2 8*13 6*12 5.5
FQL40 105 2 6*14 5*13 9
110 2 7*14 6*13 9.2
115 2 7*14 7*13 9.5
120 2 8*14 7*14 10.3
127 2 8*14 7*14 11.5
FQL50 133 2 7*16 7*14 15.5
140 2 7*18 7*14 16
146 2 8*18 7*14 16.5
152 2 8*18 8*14 17
165 2 8*18 8*16 18
FQL60 152 2 8*18 7*16 24.0
165 2 8*18 8*16 25.0
175 2 8*18 8*16 27.0
195 2 10*18 12*16 29.0
203 2 10*18 13*16 33.0

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