HEBEI MINETECH MACHINERY TECHNOLOGY CO., LTD
Your one stop solution for rock drilling tools.
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Our DTH hammer and bits are compatible with CIR, DHD, QL,SD,Mission, etc. series of Atlas and etc. They are with high efficiency, low failure rate and long service life. They are with high efficiency, low failure rate and long service life, which can realize efficient and economical drilling even for all kinds of high hardness, high abrasive rocks and other harsh conditions.
DTH Bit We Can Supply.
For DTH rock hammer and bits, we have
♦ Bits for Low Pressure DTH Hammers
♦ Bits for Medium & High Pressure DTH Hammers
♦ Bits for High Efficiency High Pressure DTH Hammers
Concave Front: This head shape is suitable for all rock formations, especially in medium-hard condition and uniform rock condition.
Flat Front: This head shape is suitble for drilling very hard rock conditions and abrasive conditions.
Convex Front: This head shape is suitable for soft or nedium-hard rock conditions, and the bit body is not easy to wear.
Shape of tungsten carbide button:
Spherical button, gauge button, suitable for very hard rock.
Ballistic button, front button, suitable for meduim abrasive, medium hard rock.
Parabolic button, front button, gauge button, suitable for meidum abrasive, hard rock.
Flat button, guage protection.
| Bit size | Shank type | Recommended DTH bir diameter |
| 3.5''/3'' DTH Hammer bits | COP34, DHD3.5, MISSION30, BR3 shank | 90mm to 105mm |
| 4'' DTH Hammer bits | DHD340, QL40, MISSION40, SD4 shank | 110mm to 130mm |
| 5'' DTH Hammer bits | DHD350, QL50, MISSION50, SD5 shank | 134mm tio 152mm |
| 6'' DTH Hammer bits | DHD360, QL60, MISSION60, SD6 shank | 152mm to 203mm |
| 8'' DTH Hammer bits | DHD380, QL80, MISSION80, SD8 shank | 203mm to 305mm |
| 12'' DTH Hammer bits | DHD112, SD12 and QL120 shank | Available upon to customers' request |
• Underground mining
• Quarry benching operations
• Water well drilling
• High performance
• Cost-effective
• Long life
