DTH hole opener bits
1. High and low air pressure down-the-hole drill bits
2. Low air pressure holeDia.: 65-220mm
3. High air pressure hole Dia.: 85-305mm
4. Face type: Drop center/concave/convex/double gauge/flat
5. Our DTH Bit can be suitable for many types of DTH Hammer, such as XL, Mission, COP, IR, Mach, Demag, SD, Bulroc, Halco Mach, Digger etc.
About Us:
1. Our factory has been specialized in manufacturing drilling tools and spare parts since 1980.
2. We have advanced technology and equipment.
3. Our technician has more than 25 year's professional working experience.
4. Rock drilling tools are exported throughout the world. Main market: Norway, Turkey, USA,
Canada, Australia, Brazil, Uruguay, Iran, Philippines, Thailand, India, etc.
| 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 |
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