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DTH Hole Opener
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Order guide:
Dia.A+ Dia.B + Hammer type
| Remark | Shank | GuideDia. A (mm) | Reamed Dia.B (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 | ||
| For 4" hammer | 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 | ||
