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D Miningwell well drilling drill bit is connected with DTH hammer for water well drilling. D Miningwell down-the-hole drill bits are made of high-quality steel and the best horizontal alloy steel as raw materials, special heat treatment process and advanced carbide inserting technology, so that the drill bit can function well even on hard rock formations, and at the same time Energy saving.
CIR series DTH bits(Low pressure)
Technical Parameters | |||||
Model: | Gauge buttons(mm) | Front buttons(mm) | Tail shank diameter(mm) | Port holes | Weight(KG) |
CIR76-76 | φ12*5 | φ12*3 | φ43 | 2 | 2.1 |
CIR90-90 | φ14*6 | φ13*2+φ12*2 | φ53.5 | 2 | 3.7 |
CIR90-110 | φ14*6 | φ13*3+φ12*3 | φ53.5 | 3 | 4.6 |
CIR90-130 | φ14*7 | φ13*3+φ12*4 | φ53.5 | 3 | 6 |
CIR110-110 | φ14*6 | φ13*3+φ12*3 | φ64 | 3 | 6 |
CIR110-130 | φ14*7 | φ13*3+φ12*4 | φ64 | 3 | 7.4 |
CIR110-150 | φ14*8 | φ14*3+φ13*6 | φ64 | 3 | 9.6 |
CIR110-170 | φ15*9 | φ14*6+φ13*10 | φ64 | 3 | 12.3 |
CIR110-200 | φ15*9 | φ14*6+φ13*12 | φ64 | 3 | 16.5 |
CIR150-150 | φ16*9 | φ14*6+φ14*4 | φ89.5 | 3 | 14.8 |
CIR150-175 | φ16*9 | φ14*6+φ14*5 | φ89.5 | 3 | 19 |
CIR170-175 | φ16*9 | φ14*6+φ14*5 | φ102 | 3 | 21 |
CIR170-185 | φ16*9 | φ14*6+φ14*6 | φ102 | 3 | 21.8 |
DHD series DTH bits(High pressure)
Technical Parameters | |||||||
Model: | Head diameter: | Shank length: | Spline: | Port holes: | Gauge buttons: | Front buttons: | Weight: |
DHD25A-76 | 76 | 174 | 6 | 2 | φ14mm*6 | φ11mm*4 | 3.2kg |
DHD35A-90 | 90 | 180 | 8 | 2 | φ14mm*6 | φ12mm*5 | 4.7kg |
DHD35A-100 | 100 | 180 | 8 | 2 | φ14mm*6 | φ12mm*5 | 4.8kg |
DHD340-108 | 108 | 209 | 8 | 2 | φ16mm*7 | φ14mm*6 | 7.85kg |
DHD340-130 | 130 | 209 | 8 | 2 | φ16mm*8 | φ14mm*4+φ13mm*3 | 8.88kg |
DHD350-140 | 140 | 260 | 8 | 2 | φ18mm*7 | φ15mm*4+φ14mm*3 | 15.8kg |
DHD350-152 | 152 | 260 | 8 | 2 | φ18mm*8 | φ14mm*8 | 17kg |
DHD350-178 | 178 | 260 | 8 | 2 | φ18mm*8 | φ16mm*6+φ14mm*5 | 20.4kg |
DHD360-154 | 154 | 308.5 | 8 | 2 | φ18mm*8 | φ16mm*4+φ15mm*4 | 22.5kg |
DHD360-178 | 178 | 308.5 | 8 | 2 | φ18mm*8 | φ16mm*6+φ15mm*5 | 26.1kg |
DHD360-203 | 203 | 308.5 | 8 | 2 | φ18mm*10 | φ16mm*8+φ15mm*6 | 30.4kg |
DHD380-203 | 203 | 350 | 10 | 2 | φ18mm*10 | φ18mm*4+φ16mm*10 | 48.5kg |
DHD380-254 | 254 | 350 | 10 | 2 | φ18mm*12 | φ18mm*12+φ16mm*8 | 62.4kg |
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