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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
Markets: Italy, France, Russia, Greece,Canada,Korea, Chile, Brazil, Nigeria, Mongolia and etc.
Order guide:
Dia.A+ Dia.B + Hammer type
Remark | Shank | GuideDia. (1) (mm) | Reamed Dia. (2) (mm) | Qty.× Button Dia.(mm) | Weight (kg) | Product Code | |
Outer | Front | ||||||
For 3.5" hammer | DHD3.5 | 95 | 130 | 6×14+ 2×14 | 4×11+3×11 | 8.5 | 204320 |
80 | 165 | 8×14 | 8×13+6×11 | 15.1 | 204330 | ||
100 | 165 | 8×14 | 4×13+4×12+3×12 | 14.5 | 204380 | ||
110 | 165 | 8×14 | 4×13 | 15.2 | 204290 | ||
DHD340 | 100 | 165 | 8×14 | 4×13+4×12+3×12 | 14.5 | 121524 | |
115 | 171.5 | 9×16 | 6×14 | 16.1 | 121404 | ||
For 5" hammer | DHD350R | 75 | 152 | 8×18 | 6×14+2×14+2×14 | 35.2 | 130214 |
For 6" hammer | DHD360 | 165 | 191 | 10×16 | 3×14+4×14 | 74.5 | 141394 |
108 | 220 | 10×18 | 12×18+2×14+2×14 | 79.3 | 140654 | ||
165 | 254 | 12×18 | 12×16+4×14+5×14 | 65.3 | 140814 | ||
For 8" hammer | DHD380 | 140 | 200 | 10×18 | 8×12+2×14+4×14 | 10.6 | 150024 |
188 | 254 | 22×18 | 2×18 | 147.4 | 150414 | ||
152 | 305 | 14×18 | 10×18+16×16 | 107.8 | 150254 | ||
210 | 381 | 16×18 | 28×18 | 120.5 | 150464 | ||
For 12" hammer | DHD112 | 216 | 312 | 18×18 | 15×18+6×16+6×14 | 133.6 | 170404 |
254 | 375 | 18×18 | 12×18+15×18 | 136.2 | 170854 | ||
311 | 444.5 | 18×19 | 15×19+21×19 | 328.5 | 170844 | ||