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ProDrill rock drilling tools manufacturer has a full range of DTH drill bits with CIR shanks type for a wide range of hole sizes, which are designed to match all conceivable applications for water well industries, stone quarrying, mining and construction.
Shank types: CIR90, CIR100, CIR110, etc.
Suitable rock formation and condition : Quartz ( HRC12 grade more) , Granites ( HRC: 3 to 5 grade )
DTH hammer bits hole diameter: 3", 4", 5", 6", 8"(85mm-305mm).
| Specification: | Diameter: (mm) | Weight: (kg) |
| Low air pressure DTH bits CIR type | 68 ~ 200 | 2.6 ~ 48 |
| Middle air pressure BR & COP type | 76 ~ 110 | 3.8 ~ 15 |
| 3 inch high Air pressure DTH bits | 85 / 90 / 95 / 100 / 105 | 4.2 ~ 5.5 |
| 4 inch high Air pressure DTH bits | 105 / 110 / 115 / 120 / 127 | 9 ~ 12 |
| 5 inch high Air pressure DTH bits | 133 / 140 / 146 / 152 / 165 | 15 ~ 18.5 |
| 6 inch high Air pressure DTH bits | 152 / 165 / 178 / 190 / 203 | 26 ~ 36 |
| 8 inch high Air pressure DTH bits | 195 / 203 / 216 / 254 / 305 | 33 ~ 95 |
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