Changsha Chaojingang Machinery Manufacturing Co., Ltd.
| Model NO. | DHD dth Drill Bits dth Hammer Bit |
| Surface Treatment | Spray-Paint |
| Manufacturing Process | Forging |
| Material | Alloy Steel |
| Mining Type | Mining |
| Advantage | High Performance |
| Name | DHD DTH Drill Bits DTH Hammer Bit |
| Transport Package | Ply-Wood Case for Safe Delivery |
| Specification | DHD |
| Trademark | Super Diamond |
| Origin | China |
| HS Code | 8412310090 |
| Supply Ability | 50, 000PCS / Year |
| Customization | Available |
| Warranty | 2 Month |
| Certification | ISO 9001:2008 |
View Detail Information
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Product Specification
| Model NO. | DHD dth Drill Bits dth Hammer Bit | Surface Treatment | Spray-Paint |
| Manufacturing Process | Forging | Material | Alloy Steel |
| Mining Type | Mining | Advantage | High Performance |
| Name | DHD DTH Drill Bits DTH Hammer Bit | Transport Package | Ply-Wood Case for Safe Delivery |
| Specification | DHD | Trademark | Super Diamond |
| Origin | China | HS Code | 8412310090 |
| Supply Ability | 50, 000PCS / Year | Customization | Available |
| Warranty | 2 Month | Certification | ISO 9001:2008 |
| High Light | Energy Efficiency DTH Drill Bits ，Water Well Drilling DTH Drill Bits ，Water Well Drilling DTH Hammer Bit | ||
DHD dth Drill Bits dth Hammer Bit | DHD 3.5 | ||||||
| Diameter | No xButton Diameter.mm | Button angle | Flushing hole | Weight(kg) | ||
| mm | inch | Gauge button | Front button | |||
| 90 | 3 9/16 | 6xФ14 | 4xФ12 | 38 | 2xФ14 | 4.5 |
| 92 | 3 5/8 | 6xФ14 | 4xФ12 | 38 | 2xФ14 | 4.6 |
| 95 | 3 3/4 | 6xФ14 | 4xФ13 | 38 | 2xФ14 | 4.7 |
| 100 | 3 15/16 | 6xФ14 | 5xФ13 | 38 | 2xф14 | 4.8 |
| 105 | 4 1/8 | 6xФ14 | 5xФ13 | 38 | 2xФ14 | 5.0 |
| 110 | 4 5/16 | 8xФ14 | 6xФ13 | 38 | 2xФ14 | 5.5 |
| DHD 340 | ||||||
| Diameter | No xButton Diameter,mm | Button angle | Flushing hole | Weight(kg) | ||
| mm | inch | Gauge button | Front button | |||
| 105 | 4 1/8 | 6xФ14 | 5xФ13 | 38 | 2xФ18 | 7.5 |
| 110 | 4 5/16 | 7xФ14 | 6xФ13 | 38 | 2xФ18 | 7.8 |
| 115 | 4 1/2 | 7xФ14 | 7xф13 | 38 | 2xФ18 | 8.5 |
| 120 | 4 3/4 | 8xФ14 | 7xФ13 | 38 | 2xФ18 | 8.8 |
| 125 | 4 15/16 | 8xФ14 | 7xФ13 | 38 | 2xФ18 | 9.0 |
| 130 | 5 1/8 | 8xФ14 | 7xФ14 | 38 | 2xФ18 | 9.4 |
| DHD 350 | ||||||
| Diameter | No xButton Diameter,mm | Button angle | Flushing hole | Weight(kg) | ||
| mm | inch | Gauge button | Front button | |||
| 130 | 5 1/8 | 7xФ16 | 7xФ14 | 38 | 2xФ20 | 15.0 |
| 135 | 5 1/4 | 7xФ18 | 7xФ14 | 38 | 2x20 | 15.5 |
| 140 | 5 1/2 | 8xФ16 | 8xФ14 | 38 | 2xФ20 | 16.0 |
| 146 | 5 3/4 | 8xФ18 | 8xФ15 | 38 | 2x20 | 16.5 |
| 150 | 5 7/8 | 8xФ18 | 8xФ15 | 38 | 2xФ20 | 16.7 |
| 152 | 6 | 8xФ18 | 8xФ15 | 38 | 2xФ20 | 16.8 |
| 156 | 6 1/8 | 8xФ18 | 8xФ16 | 38 | 2xФ20 | 17.0 |
Frequently Asked Question:
| 1.Are you a manufacturer or a trade company? |
| We are the first-class drilling tools manufacturer in China. |
| 2.How many workers in your factory?and what is your company scale? |
| We have more than 100 employees.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 first-class level in China. With a land area of 26600 square meter and workshop sapce of 22000 square meter .We are equiped with over 100 sets of different advanced equipments and facilities required for manufacturing rock drilling tools.Over 50-70% for export which covers most of the global markets including Korea,Malaysian,Australia,Russia,Middle Asian,East,Europe,South America,and Africa etc.. |
| 3.Where are your company? |
| We are located in Changsha city,Hunan province, half hours by car from the nearest Huanghua international airport. |
| 4.Why choose CJG DRILL? |
| 1)We have more than 20 years of researching,developing, manufacturing and exporting high quality rock drilling tools to the global market. |
| 2)High quality compatible with Atlas Copco,Ingersoll Rand etc... |
| 3)We have super high quality and cheap price. |
| 4)Excellent service. |
| 5.Which port do you shipping from? |
| We usually ship container from Shanghai port.Guangzhou and ShenZhen port is available too. |
| 6.Can you accept OEM & ODM ? |
| Yes, both of them are acceptable. |
| 7.What is your minimum order quantity? |
| Our MOQ are 1pc or 1 complete set, the price may rely on the order quantity. |
| 8.What is your payment term? |
| We can accept T/T, L/C at sight, West union and in cash. |
| 9.How about the delivery time? |
| Generally it takes about 20 days . |
| 10.Could we make a schedule of an appoinment with your company? |
| Definitely.You are the most welcome.Please inform us your arrival time in any place of China and initial routine in advance.We can reserve the hotel,offer pickup service from Changsha Huanghua airport or the CHR Express station unpon your arrival and after the appoinment.Be our guest then! |
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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