| Customization: | Available |
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| Customized: | Customized |
| Standard: | API |
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1.Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to inner structure of DTH hammer designed according to newest rock dilling theory.
2.Smooth performance and long service life of 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 dill pipe manufactured by many brands all over the world.
| Shank | Bit Dia. | NO. Air Holes |
No. x button Dia. | Weight | ||
| mm | ||||||
| mm | inch | Gauge Buttons |
Front Buttons |
(Kg) | ||
| DHD380/COP84 | 200 | 7-7/8" | 2 | 10xφ18 | 8xφ18, 6xφ16 | 46 |
| 203 | 8" | 2 | 10xφ18 | 8xφ18, 6xφ16 | 47 | |
| SD8 | 216 | 8-1/2" | 2 | 10xφ18 | 8xφ18, 6xφ16 | 53 |
| 219 | 8-5/8" | 2 | 10xφ18 | 8xφ18, 6xφ16 | 54 | |
| QL80 | 222 | 8-3/4" | 2 | 10xφ18 | 8xφ18, 6xφ16 | 55 |
| 225 | 8-7/8" | 2 | 10xφ18 | 8xφ18, 7xφ16 | 56 | |
| M80 | 229 | 9" | 2 | 10xφ18 | 8xφ18, 7xφ16 | 57 |
| 235 | 9-1/4" | 2 | 12xφ18 | 30xφ16 | 57.5 | |
| 240 | 9-1/2" | 2 | 12xφ18 | 30xφ16 | 58 | |
| 254 | 10" | 2 | 12xφ18 | 12xφ18, 8xφ16 | 61 | |
| 270 | 10-5/8" | 2 | 12xφ19 | 20xφ18, 8xφ16 | 66 | |
| 279 | 11" | 3 | 12xφ19 | 20xφ18, 8xφ16 | 71 | |
Hammers |
Bit Shank | Connection Thread | Suitable bit | Working pressure | Air consumption | |
| 1-3" Middle-low pressure DTH hammers | BR1 BR2 BR3 |
RD40 box RD50 box API 2 3/8" Reg |
¢64-¢76mm ¢70-¢90mm ¢90-¢110mm |
0.7-1.75Mpa 0.7-1.75Mpa 0.7-1.75Mpa |
0.7Mpa | 4.5m3/min |
| 1.0Mpa | 4m3/min | |||||
| 1.4Mpa | 5m3/min | |||||
| 3" hammers | DHD3.5 COP32/COP34 M30 |
API 2 3/8"Reg | ¢90-¢110mm | 1.0-1.5Mpa | 1.0Mpa | 4.5m3/min |
| 1.5Mpa | 9m3/min | |||||
| 4" hammers | DHD340 COP44 QL40 SD4 M40 |
API 2 3/8"Reg | ¢105-¢130mm | 1.0-2.5Mpa | 1.0Mpa | 6m3/min |
| 1.8Mpa | 10m3/min | |||||
| 2.4Mpa | 15m3/min | |||||
| 5" hammers | DHD350 COP54 QL50 SD5 M50 |
API 2 3/8"Reg/API 3 1/2"Reg | ¢130-¢156mm | 1.0-2.5Mpa | 1.0Mpa | 9m3/min |
| 1.8Mpa | 15m3/min | |||||
| 2.4Mpa | 23m3/min | |||||
| 6" hammers | DHD360 COP64 QL60 SD6 M60 |
API 3 1/2"Reg | ¢152-¢203mm | 1.0-2.5Mpa | 1.0Mpa | 10m3/min |
| 1.8Mpa | 20m3/min | |||||
| 2.4Mpa | 28.5m3/min | |||||
| 8" hammers | DHD380 COP84 QL80 SD8 |
API 4 1/2"Reg | ¢200-¢279mm | 1.0-2.5Mpa | 1.0Mpa | 15m3/min |
| 1.8Mpa | 26m3/min | |||||
| 2.4Mpa | 34m3/min | |||||
| 10" hammers | SD10 NUMA100 |
API 6 5/8"Reg | ¢254-¢330mm | 1.0-2.5Mpa | 1.0Mpa | 22m3/min |
| 1.8Mpa | 40m3/min | |||||
| 2.4Mpa | 55m3/min | |||||
| 12" hammers | DHD1120 SD12 NUMA120 NUMA125 |
API 6 5/8"Reg | ¢305-¢381mm | 1.0-2.5Mpa | 1.0Mpa | 30m3/min |
| 1.8Mpa | 56m3/min | |||||
| 2.4Mpa | 78m3/min | |||||
1. Using the latest rock drilling theory, optimizing the inside structure and the size of the air distribution, to make the DTH Hammer obtain the optimal energy transfer and make it achieve faster drilling speed and lower air consumption.
2. For such projects as the drill bit break, retrieving very difficult, we specially designed a safe and reliable anti-shedding device for the bit.1. How to order ?
Step 1: please tell us what type, size and quantity you need
Step 2: we will offer you quotataion list
Step 3: when you confirm the price and specific customization requirements, we will make a PI and send it to you
Step 4: when you made advance payment, we will start production
Step 5: we will delivery after receiving the balance
2. Do you have stocks?
Yes, we have stock for some types for quick delivery.
3. When will make delivery?
If in stock, it will be shipped within 7 days.
If the model is out of stock, production will be completed 25-60 days after receiving the advance payment, and delivery will be made after receiving the balance payment.
4. Payment
T/T, L/C, Paypal
6. Transportation
By Fedex, DHL, UPS, EMS, Air freight, Sea freight
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