12" 13" 14" 15"DTH Hammer Bits DHD1120 DTH Bit Rock Drill Bits For
Drilling
Product specifications: DHD1120 DTH bits
| Drill Bit | Bit Dia.(mm) | NO.Air
Holes | Gauge
Buttons | Front
Buttons | Weight(Kg) | Part No. |
| DHD1120 | 305 | 4 | 12*Φ18 | 36*Φ16 | 152 | DHD1120-305 |
| 311 | 4 | 12*Φ18 | 36*Φ16 | 157 | DHD1120-311 |
| 330 | 4 | 16*Φ18 | 42*Φ16 | 165 | DHD1120-330 |
| 356 | 4 | 16*Φ19 | 42*Φ16 | 178 | DHD1120-356 |
| 381 | 4 | 16*Φ19 | 42*Φ18 | 198 | DHD1120-381 |
| SD12 | 305 | 4 | 12*Φ18 | 36*Φ16 | 156 | SD12-305 |
| 311 | 4 | 12*Φ18 | 36*Φ16 | 168 | SD12-311 |
| 330 | 4 | 16*Φ18 | 42*Φ16 | 180 | SD12-330 |
| 356 | 4 | 16*Φ19 | 48*Φ16 | 191 | SD12-356 |
| 381 | 4 | 16*Φ19 | 48*Φ18 | 200 | SD12-381 |
| NUMA120 | 305 | 4 | 12*Φ18 | 36*Φ16 | 152 | N120-305 |
| 311 | 4 | 12*Φ18 | 36*Φ16 | 158 | N120-311 |
| 330 | 4 | 16*Φ18 | 42*Φ16 | 165 | N120-330 |
| 356 | 4 | 16*Φ19 | 48*Φ16 | 178 | N120-356 |
| 381 | 4 | 16*Φ19 | 48*Φ18 | 195 | N120-381 |
| NUMA125 | 305 | 4 | 12*Φ18 | 36*Φ16 | 170 | N120-305 |
| 311 | 4 | 12*Φ18 | 36*Φ16 | 173 | N120-311 |
| 330 | 4 | 16*Φ18 | 42*Φ16 | 182 | N120-330 |
| 356 | 4 | 16*Φ19 | 48*Φ16 | 191 | N120-356 |
| 381 | 4 | 16*Φ19 | 48*Φ18 | 200 | N120-381 |
DTH hammer
With professional manufacturing experience in DTH hammer
production, our factory can supply you with high pressure and
medium to low pressure DTH hammers. It strictly matches with API
standard and other Chinese industry standards.It is durable for
being produced with advanced craftwork and good material.
It also has the following advantages:
1. Deliver maximum energy to drilling bit, fast drilling speed and
low air consumption due to the special inner structure of HD series
DTH hammer designed according to newest rock drilling theory.
2. Smooth performance and long service life of HD series DTH hammer
due to high quality alloy steel materials and advanced processing
technology adapted.
3. Low problem rate and easy to maintenance due to simple, reliable
and easy assemble and disassemble inner structure of hammer.
4. Easy to depart bit from hammer due to multi-head thread
connecting chuck and cylinder of hammer.
5. Interchangeable with DTH bit and drill pipe
DTH Bit
DTH bit is our main product. After mang years search, we have rich
experience in development and manufacturing high quality products,
which adopted high-quality raw materials, advanced technology and
passed through strictly inspection.
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.
Product photos
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