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SPM S50 Top quality DHD 360 COP 6inch and 5inch DTH hammer from China best manufacturer
SPM 5 inch High Pressure DTH Air Drill Hammer S50 is very popular in international well drilling field.
It is widely used in international well drilling field.
SPM 5” DTH Drill Hammer S50 drill holes from 140mm to 152mm.
Matched drilling bits:S50-140、S50-146、S50-152..
We also supply other 6”、8”、10”、12” High Pressure DTH Air Drill Hammers and various matched drill bits,
We offer SPM high air pressure DTH hammer size from 5" to 12"(Φ125mm-Φ275mm), SPM DTH hammers perform good in drilling well of diameter from 140mm to 508mm, especially excellent in deep hole well drilling works.
Different designing makes SPM DTH drill hammers are suitable for various well drilling conditions.

Advantages of SPM high air pressure DTH hammers:
1. Non-Blocking:Our S-series Down the hole hammers are proved to ensure extremely low rate of blocking during it works.
2. High Efficiency:The well drilling equipment carries with larger power of impact frequency and torque, thus ensuring faster penetration. Compared with others, the efficiency can be improved 10%.
3. Longer Service Life:All surfaces of the DTH hammer and bits are treated by anti-friction and intensified technology. When used in deep-hole drilling works, it can reach at 5000 meters or more.
4. Excellent Cleaning Effect: This DTH tool has large air output, which specially designed for water well users and enables it to flush out cuttings in deep hole drilling works.
Technical Parameters | |
Hammer Name | DTH drill hammer S50 |
Model | S50 |
Item Number | 650000000 |
Drilling Diameter(mm) | 140―152 |
Hammer Length(mm) | 1220 |
External Diameter(mm) | Φ125 |
Weight(kg) | 78 |
Working Pressure | 0.7-2.4 |
Air Consumption(m3/min) | 7-20 |
Impact frequency(bpm) | 1200 |
Top Sub(Connection to drill string) | API 2 3/8 Reg Pin, male thread |
Drive Sub(Connection to drill bit) | Φ84-8 |
Bit Shank | S50 |


We have 12 patented technologies of DTH hammers and drills. Meanwhile, studying the products from well-known companies such as Atlas Copco and Sandvik, our R&D department has invented and improved products and methods that can meet customers’ demands and field tests, thus enable us to serve consumers with customized products and more effective solutions.





Packaging | ||
Size | 1504mm(L)*16cm(W) * 16cm(H) | |
Weight | 230kg | |
Packaging Details | The normal package is wooden box(Size: L*W*H). If export to european countries,the wooden box will be fumigated.If container is too tigher,we will use packaings according to customers special request. | |

1、Are you manufacturer?
Sure.We are manufacturer,we have been focusing on DTH drilling for 16 years,
Clients from more than 50 countries are cooperating with SPM.
2、Could you offer technical support?
We have rich experience in drilling fields, SPM offer suitable down the hole drilling solutions.
3、Could you tell us delivery time?
Generally it is 5-15 days if the goods are in stock.
It is approx 30 days in Make-To-Order, it is according to quantity.
We have built stable delivery to meet clients' requirement.
4、Do you accept small order or LCL?
We offer LCL and FCL services by air, sea ,also land way to Russia.
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