Changsha Chaojingang Machinery Manufacturing Co., Ltd.
| Surface Treatment | Spray-Paint |
| Manufacturing Process | Forging |
| Material | Alloy Steel |
| Transport Package | Ply-Wooden Cases for Exporting |
| Specification | 2 Inch to 12 Inch |
| Trademark | Super Diamond |
| Origin | China |
| HS Code | 8207199000 |
| Supply Ability | 10000 |
| Customization | Available |
| Standard | JIS, ASTM |
| Certification | ISO 9001:2000 |
| Place of Origin | China |
| Brand Name | Super Diamond |
| Model Number | DHD,QL,Mission,SD |
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Product Specification
| Surface Treatment | Spray-Paint | Manufacturing Process | Forging |
| Material | Alloy Steel | Transport Package | Ply-Wooden Cases for Exporting |
| Specification | 2 Inch to 12 Inch | Trademark | Super Diamond |
| Origin | China | HS Code | 8207199000 |
| Supply Ability | 10000 | Customization | Available |
| Standard | JIS, ASTM | Certification | ISO 9001:2000 |
| Place of Origin | China | Brand Name | Super Diamond |
| Model Number | DHD,QL,Mission,SD | ||
| High Light | Forged DTH Hammer Assembly ，Water Well DTH Hammer Assembly ，Water Well DTH Hammer And Bit | ||
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 | |||||
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2017
Total Annual:
13000000-14000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Changsha Chaojingang Machinery Manufacturing Co., Ltd. is one of the best manufacturers in China's drilling tool industry. Our company has many senior mechanical design engineers with more than 20 years of design experience in the drilling tool, the production process and technology are at the... Changsha Chaojingang Machinery Manufacturing Co., Ltd. is one of the best manufacturers in China's drilling tool industry. Our company has many senior mechanical design engineers with more than 20 years of design experience in the drilling tool, the production process and technology are at the...
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