China Down The Hole Rock Drilling Tools Reamer Bits Deep Water Well Drilling DTH Hammer Hole Opener Button Drill Bits, Find details about China DTH Hole Opener Bits, DTH Bit from Down The Hole Rock Drilling Tools Reamer Bits Deep Water Well Drilling DTH Hammer Hole Opener Button Drill Bits
Remark | Shank | GuideDia. (mm) | Reamed Dia.(mm) | Qty.× Button Dia.(mm) | Weight(kg) | |
For 3.5" hammer | Outer | Front | ||||
DHD3.5 | 95 | 130 | 6×14 | 4×11+3×11 | 8.5 | |
2×14 | ||||||
DHD3.5 | 80 | 165 | 8×14 | 8×13+6×11 | 15.1 | |
100 | 165 | 8×14 | 4×13+4×12+3×12 | 14.5 | ||
DHD3.5 | 110 | 165 | 8×14 | 4×13 | 15.2 | |
100 | 165 | 8×14 | 4×13+4×12+3×12 | 14.5 | ||
115 | 171.5 | 9×16 | 6×14 | 16.1 | ||
For 5" hammer | DHD350R | 75 | 152 | 8×18 | 6×14+2×14+2×14 | 35.2 |
For 6" hammer | DHD360 | 165 | 191 | 10×16 | 3×14+4×14 | 74.5 |
DHD360 | 108 | 220 | 10×18 | 12×18+2×14+2×14 | 79.3 | |
DHD360 | 165 | 254 | 12×18 | 12×16+4×14+5×14 | 65.3 | |
For 8" hammer | DHD380 | 140 | 200 | 10×18 | 8×12+2×14+4×14 | 10.6 |
DHD380 | 188 | 254 | 22×18 | 2×18 | 147.4 | |
DHD380 | 152 | 305 | 14×18 | 10×18+16×16 | 107.8 | |
DHD380 | 210 | 381 | 16×18 | 28×18 | 120.5 | |
For 12" hammer | DHD112 | 216 | 312 | 18×18 | 15×18+6×16+6×14 | 133.6 |
DHD112 | 254 | 375 | 18×18 | 12×18+15×18 | 136.2 | |
DHD112 | 311 | 444.5 | 18×19 | 15×19+21×19 | 328.5 |