KSQ Technologies (Beijing) Co. Ltd
| Payment Terms | L/C, D/A, D/P, T/T |
| Supply Ability | 30000pcs per month |
| Delivery Time | 10-15 days |
| Packaging Details | wooden box |
| name | Water Well Hard Rock Drilling QL40 SD4 4 Inch Dth Hammer |
| Button Material | Tungsten Carbide |
| Application | Water well, Quarry, Construction |
| Machine type | Down the Hole Drilling Tool |
| Model | 4 inch DTH hammer |
| Brand Name | MIROC |
| Model Number | DTH hammer |
| Certification | ISO9001,API,SGS,ISO 9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T | Supply Ability | 30000pcs per month |
| Delivery Time | 10-15 days | Packaging Details | wooden box |
| name | Water Well Hard Rock Drilling QL40 SD4 4 Inch Dth Hammer | Button Material | Tungsten Carbide |
| Application | Water well, Quarry, Construction | Machine type | Down the Hole Drilling Tool |
| Model | 4 inch DTH hammer | Brand Name | MIROC |
| Model Number | DTH hammer | Certification | ISO9001,API,SGS,ISO 9001 |
| Place of Origin | China | ||
| High Light | 4 Inch Dth Hammer ，SD4 Dth Hammer ，QL40 Dth Hammer | ||
Water Well Hard Rock Drilling QL40 4 inch DTH hammer
| Model | NQL4 |
| Length (Without Bit) | 1097mm |
| Weight (Without Bit) | 41.00kg |
| External Diameter | φ99mm |
| Bit Shank | QL40 |
| Hole Range | φ110 - φ135mm |
| Connection Thread | API 2 3/8 '' Reg |
| Working Pressure | 1.2 - 2.0 Mpa |
| Impact Rate at 17 Bar | 27HZ |
| Recommended Rotation Speed | 25 - 40 r/min |
| Air Consumption | 1.0Mpa: 6 m³/ min |
| 1.8Mpa: 10 m³/ min | |
| 2.4Mpa: 15 m³/ min |
| Description | Weight(kg) |
| 1.Top sub | 6.50 |
| 2. O-ring Of Top Sub | 0.01 |
| 3.Breakout Ring | - |
| 4.Check Valve | 0.42 |
| 5. Spring | 0.04 |
| 6. Compression Buffer | 0.04 |
| 7. Air Distributor | 2.20 |
| 8. Internal cylinder | 2.30 |
| 9. Piston | 9.00 |
| 10. External Cylinder | 16.50 |
| 11. Guided Sleeve | - |
| 12. O-ring Of Stop Ring | 0.01 |
| 13. Stop Ring | 0.30 |
| 14. Breakout Ring | - |
| 15. Drive Chuck | 3.00 |
| 16. Drill Bit | 9.50 |
KSQ Technologies (Beijing) Co. Ltd. provides exceptional technical know-how in development, production, and application. The company has adopted advanced manufacturing processes to ensure high
quality steels and tungsten carbide inserts for its rock drilling accessories. Its personnel understand
clients’ drilling needs, and have the service skills to recommend the right drilling tools for the job. Its experienced product developers can also create custom tools. Furthermore, the company’s development
team introduces innovative products each year – tools that are rigorously tested in the field and proven
to perform beyond industry expectations.
MIROC® Rock Drilling and Ground Support Tools include:
Integral Rods
Plug Hole Rods
Tapered Drilling Tools
Extension Drilling Tools
Drifting and Tunneling Tools
Reaming Tools
Shank Rods
Shank Adapters (Striking Bars)
Down-the-hole (DTH) Bits
Down-the-hole (DTH) Hammers
Contact us for more information on our products and services.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Seller
Year Established:
2010
Total Annual:
4000000-6000000
Employee Number:
50~100
Ecer Certification：
Active Member
KSQ Technologies (Beijing) Co. Ltd. provides exceptional technical know-how in development, prodcution, and application. The company has adopted advanced manafacturing processes to ensure high quality steels and tungsten carbide inserts for its rock drilling accessories. Its... KSQ Technologies (Beijing) Co. Ltd. provides exceptional technical know-how in development, prodcution, and application. The company has adopted advanced manafacturing processes to ensure high quality steels and tungsten carbide inserts for its rock drilling accessories. Its...
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