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CIR 110-140mm Low Air Pressure DTH Hammer Bit
- Code No.:CIR110-140
- Diameter:140mm
- Surface Type:flat face
- Bit shape:Semi-ballistic
- Shank Type:CIR
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.
CIR Shank Low Air Pressure DTH Hammer Bit:
| Drill Bit | Bit diameter(mm) | Splin quantity | Gauge Buttons |
| CIR50 | 50 | 4 | 3×φ10 |
| CIR50 | 55 | 4 | 3×φ10 |
| CIR60 | 60 | 4 | 3×φ12 |
| CIR65 | 65 | 4 | 4×φ12 |
| CIR70 | 76 | 4 | 5×φ12 |
| CIR90 | 90 | 6 | 6×φ14 |
| CIR90 | 100 | 6 | 6×φ14 |
| CIR90 | 105 | 6 | 6×φ14 |
| CIR90 | 110 | 6 | 6×φ14 |
| CIR90 | 120 | 6 | 6×φ14 |
| CIR90 | 130 | 6 | 7×φ14 |
| CIR110 | 110 | 6 | 6×φ14 |
| CIR110 | 120 | 6 | 6×φ14 |
| CIR110 | 125 | 6 | 7×φ14 |
| CIR110/CIR130 | 130 | 6 | 7×φ14 |
| CIR110/CIR130 | 140 | 6 | 8×φ14 |
| CIR110/CIR130 | 150 | 6 | 8×φ14 |
| CIR150 | 150 | 6 | 9×φ16 |
| CIR150 | 165 | 6 | 9×φ16 |
| CIR150 | 175 | 6 | 9×φ16 |
| CIR150 | 185 | 6 | 9×φ16 |
| CIR150 | 200 | 6 | 9×φ16 |
| CIR170 | 175 | 6 | 9×φ16 |
| CIR170 | 185 | 6 | 9×φ16 |
| CIR170 | 200 | 6 | 9×φ16 |
| CIR170 | 220 | 6 | 12×φ16 |
| CIR170 | 250 | 6 | 12×φ16 |
DTH hammer bits hole diameter: 3”, 4”, 5”, 6”, 8”(85mm-305mm).
Advantages
1.Improved steel grade for better fatigue properties
2.Five basic front designs
3.Designs for all rock types
