High Strength Alloy Steel Down Hole Hammer DHD112 SD12 NUMA120 NUMA125 Golden Color
High Air Pressure DHD112 SD12 NUMA120 NUMA125 DTH bits for 12inch hammer
Features:
1.applicable hard,very hard and medium soft rock formations.
2.Reliable quality, long service life, rare abnormal breakage during service life.
3.Good flushing effect to ensure high drilling rate
4.Strict quality warranty and compensation rules
5.Can match to the original DHD112S etc
Order guide:
Bit Dia.+ Shank + Face shape + Carbide button shape
Examples For Ordinary Bits
Drop center bit, spherical+ballistic(other designs of faces and inserts are available)
Applications
• Underground mining
• Tunneling
• Quarry benching operations
Specification of DTH Bits
| Low Air Pressure DTH Bits | |||||
| Type | Diameter(mm) | Buttons | Flushing Holes | ||
| Front(No*mm) | Gauge(No.*mm) | ||||
| 1 | CIR80 | 80 | 2*12, 2*12 | 6*13 | 2 |
| 2 | CIR90 | 90 | 4*12 | 6*14 | 3 |
| 3 | 93 | 4*12 | 6*14 | 3 | |
| 4 | 95 | 4*12 | 6*14 | 3 | |
| 3" High Pressure DTH Bits | |||||
| Type | Diameter(mm) | Buttons | Flushing Holes | ||
| Front(No*mm) | Gauge(No.*mm) | ||||
| 1 | DHD3.5 / M30 | 90 | 4*12, 2*12 | 8*12 | 2 |
| 2 | 95 | 4*12, 2*12 | 8*12 | 2 | |
| 3 | 100 | 4*13, 2*13 | 8*13 | 2 | |
| 4 | 105 | 4*14, 2*14 | 8*14 | 2 | |
| 4" High Pressure DTH Bits | |||||
| Type | Diameter(mm) | Buttons | Flushing Holes | ||
| Front(No*mm) | Gauge(No.*mm) | ||||
| 1 |
DHD340 / SD4 / QL40 / M40 |
110 | 4*14, 2*14 | 8*14 | 2 |
| 2 | 115 | 4*14, 2*14 | 8*14 | 2 | |
| 3 | 121 | 4*14, 2*14 | 8*14 | 2 | |
| 4 | 127 | 4*14, 3*14 | 8*14 | 2 | |
| 5 | 130 | 4*14, 3*14 | 8*16 | 2 | |
| 6 | 133 | 4*14, 3*14 | 8*16 | 2 | |
| 5" High Pressure DTH Bits | |||||
| Type | Diameter(mm) | Buttons | Flushing Holes | ||
| Front(No*mm) | Gauge(No.*mm) | ||||
| 1 |
DHD350 / SD5 / QL50 / M50 |
130 | 3*14, 4*14 | 9*16 | 2 |
| 2 | 133 | 3*14, 4*14 | 9*16 | 2 | |
| 3 | 140 | 3*16, 4*16 | 9*16 | 3 | |
| 4 | 146 | 3*16, 4*16 | 9*16 | 3 | |
| 5 | 152 | 3*16, 5*16 | 9*18 | 3 | |
| 6" High Pressure DTH Bits | |||||
| Type | Diameter(mm) | Buttons | Flushing Holes | ||
| Front(No*mm) | Gauge(No.*mm) | ||||
| 1 |
DHD360 / SD6 / QL60 / M60 |
152 | 4*16, 4*16 | 8*18 | 2 |
| 2 | 155 | 4*16, 4*16 | 8*18 | 2 | |
| 3 | 159 | 4*16, 4*16 | 8*18 | 2 | |
| 4 | 165 | 4*16, 4*16 | 8*18 | 2 | |
| 5 | 172 | 4*18, 4*18 | 8*18 | 2 | |
| 6 | 178 | 4*18, 4*18 | 8*18 | 2 | |
| 7 | 190 | 3*18, 5*18 | 9*18 | 3 | |
| 8 | 203 | 3*18, 6*18 | 9*18 | 3 | |
| 8" High Pressure DTH Bits | |||||
| Type | Diameter(mm) | Buttons | Flushing Holes | ||
| Front(No*mm) | Gauge(No.*mm) | ||||
| 1 |
DHD380 / SD8 / QL80 / M80 |
200 | 6*18, 6*18 | 9*18 | 3 |
| 2 | 203 | 6*18, 6*18 | 9*18 | 3 | |
| 3 | 216 | 6*18, 6*18 | 9*18 | 3 | |
| 4 | 219 | 6*18, 6*18 | 9*18 | 3 | |
| 5 | 222 | 6*18, 9*18 | 9*18 | 3 | |
| 6 | 226 | 3*18, 5*18 | 12*18, 6*18 | 3 | |
| 7 | 229 | 3*18, 5*18 | 12*18, 6*18 | 3 | |
| 8 | 241 | 3*18, 5*18 | 12*18, 6*18 | 3 | |
| 9 | 251 | 3*18, 6*18 | 12*18, 6*18 | 3 | |
| 10 | 254 | 3*18, 7*18 | 12*18, 6*18 | 3 | |
| 11 | 270 | 3*18, 8*18 | 12*18, 6*18 | 3 | |
| 12 | 305 | 6*18, 8*18 | 12*18, 9*18 | 3 | |
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