KSQ Technologies (Beijing) Co. Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 20000 pieces per month |
| Delivery Time | 10-15 Days |
| Packaging Details | Wooden Box |
| Product Name | DTH Hammer |
| Series | QL Series |
| Bit Shank | QL4 QL5 QL6 QL8 |
| Thread | API 3 1/2 '' Reg, API 2 7/8 '' Reg, API 2 7/8 '' IF |
| Diameter | 99mm-180mm |
| Length | 1097mm-1465mm |
| Brand Name | MIROC DTH Rock Drilling Tools |
| Model Number | QL Series DTH Hammer |
| Certification | API |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 20000 pieces per month |
| Delivery Time | 10-15 Days | Packaging Details | Wooden Box |
| Product Name | DTH Hammer | Series | QL Series |
| Bit Shank | QL4 QL5 QL6 QL8 | Thread | API 3 1/2 '' Reg, API 2 7/8 '' Reg, API 2 7/8 '' IF |
| Diameter | 99mm-180mm | Length | 1097mm-1465mm |
| Brand Name | MIROC DTH Rock Drilling Tools | Model Number | QL Series DTH Hammer |
| Certification | API | Place of Origin | China |
| High Light | down hole hammer ，down the hole hammer | ||
QL50 Down The Hole Mining Water Well Drilling DTH Hammer
KSQ Down The Hole drill bit s are produced from premium quality alloy steel for increased durability and wear characteristics.
Specific heat treatment standards and special "stress relief" processes ensure consistent performance.
KSQ DTH hammer bits are designed for maximum performance and hole cleaning ability and high penetration rate.
At present, DTH drilling tool is widely used in underground mining, quarries, hydraulic and Hydro-Power Engineering, water well drilling, Mineral exploration, anchoring hole drilling, geothermal engineering, Subway excavation, another civil engineering. it has the advantage of high flatness, smooth hole wall, high rigid of drill rod and hammer, independent of high axial thrust, no limit of drilling depth, low cost of devices and easiness to maintain. At the drilling hole of dia.105mm-dia.254mm, a plenty of the DTH drilling tools are used.
| Description | Weight(kg) | |||
| QL4 | QL5 | QL6 | QL8 | |
| 1. Top sub | 6.50 | 15.00 | 20.00 | 41.00 |
| 2. O-ring Of Top Sub | 0.01 | 0.02 | 0.02 | 0.02 |
| 3. Breakout Ring | - | - | - | 0.30 |
| 4. Check Valve | 0.42 | 1.00 | 1.00 | 1.50 |
| 5. Spring | 0.04 | 0.10 | 0.10 | 0.10 |
| 6. Compression Buffer | 0.04 | 0.10 | 0.10 | 0.42 |
| 7. Air Distributor | 2.20 | 3.50 | 6.00 | 13.00 |
| 8. Internal cylinder | 2.30 | 4.20 | 5.00 | 8.60 |
| 9. Piston | 9.00 | 19.00 | 23.50 | 41.00 |
| 10. External Cylinder | 16.50 | 24.60 | 31.00 | 60.00 |
| 11. Guided Sleeve | - | 0.90 | 1.00 | 2.20 |
| 12. O-ring Of Stop Ring | 0.01 | 0.01 | 0.02 | 0.02 |
| 13. Stop Ring | 0.30 | 0.40 | 0.60 | 1.20 |
| 14. Breakout Ring | - | - | - | 0.30 |
| 15. Drive Chuck | 3.00 | 4.60 | 5.40 | 12.00 |
| 16. Drill Bit | 9.50 | 15.50 | 24.60 | 35.00 |
QL (QL4 QL5 QL6 QL8) Series DTH Hammer Technical Parameter
| Technical Data | ||||
| Model | QL4 | QL5 | QL6 | QL8 |
| Length (Without Bit) | 1097mm | 1156mm | 1212mm | 1465mm |
| Weight (Without Bit) | 41.00kg | 73.00kg | 95.00kg | 182.00kg |
| External Diameter | φ99mm | φ126mm | φ142mm, φ144mm,φ146mm, φ148mm | φ180mm |
| Bit Shank | QL4 | QL5 | QL6 | QL8 |
| Hole Range | φ110 - φ135mm | φ135- φ155mm | φ155 - φ190mm | φ195 - φ254mm |
| Connection Thread | API 2 3/8 '' Reg | API 3 1/2 '' Reg, API 2 7/8 '' Reg | API 3 1/2 '' Reg, API 2 7/8 '' Reg, API 2 7/8 '' IF | API 4 1/2 '' Reg |
| Working Pressure | 1.2 - 2.0 Mpa | 1.3 - 2.3 Mpa | 1.5 - 2.5 Mpa | 1.5 - 3.0 Mpa |
| Impact Rate at 17 Bar | 27HZ | 25HZ | 23HZ | 20HZ |
| Recommended Rotation Speed | 25 - 40 r/min | 25 - 40 r/min | 20 - 30 r/min | 15 - 25 r/min |
| Air Consumption | 1.0Mpa: 6 m³/ min | 1.0Mpa: 9 m³/ min | 1.0Mpa: 10 m³/ min | 1.0Mpa: 15 m³/ min |
| 1.8Mpa: 10 m³/ min | 1.8Mpa: 15 m³/ min | 1.8Mpa: 20 m³/ min | 1.8Mpa: 26 m³/ min | |
| 2.4Mpa: 15 m³/ min | 2.4Mpa: 23 m³/ min | 2.4Mpa: 28.5 m³/ min | 2.4Mpa: 34 m³/ min | |
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2009
Total Annual:
3000000-5000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
KSQ Technologies (Beijing) Co. Ltd. has significant experience and know-how in the supply of materials, components, finished goods, specially designed/engineered equipment, and services from China. The company caters to medium to large scale clients who are doing projects and capit... KSQ Technologies (Beijing) Co. Ltd. has significant experience and know-how in the supply of materials, components, finished goods, specially designed/engineered equipment, and services from China. The company caters to medium to large scale clients who are doing projects and capit...
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