Hunan New Diamond Construction Machinery Co., Ltd.
| Payment Terms | L/C, T/T, Western Union |
| Supply Ability | According to order quantity |
| Delivery Time | 5-8 work days |
| Packaging Details | Carton packaging and wooden box packing |
| Type | Hammer |
| Processing Type | Forging |
| Use | Ore Mining |
| Color | Required |
| Usege | Mining&Construction&Water Well Drilling |
| Application | MARBLE QUARRY OR WELL DRILLING |
| Brand Name | New Diamond |
| Model Number | Reverse Circulation Hammer |
| Certification | ISO9001:2008 |
| Place of Origin | Hunan, China (Mainland) |
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Product Specification
| Payment Terms | L/C, T/T, Western Union | Supply Ability | According to order quantity |
| Delivery Time | 5-8 work days | Packaging Details | Carton packaging and wooden box packing |
| Type | Hammer | Processing Type | Forging |
| Use | Ore Mining | Color | Required |
| Usege | Mining&Construction&Water Well Drilling | Application | MARBLE QUARRY OR WELL DRILLING |
| Brand Name | New Diamond | Model Number | Reverse Circulation Hammer |
| Certification | ISO9001:2008 | Place of Origin | Hunan, China (Mainland) |
| High Light | rock quarry tools ，rock drill accessories | ||
Description
When percussion or hammer drilling the percussion mechanism is called a DTH or down the hole hammer. This drilling tool is located directly above the down hole hammer bit. The driller transfers weight to the bit through the drill pipe as well as provides some rotation. Through the use of a compressor, the pressurized air is forced to the down hole hammer. As the drilled hole gets deeper the driller adds more drill pipe to the string. The piston strikes the impact zone of the hammer bit; hammers are always used as part of a casing advancement system and can be used in reverse circulation applications. DTH hammers are common when drilling blast holes and water wells.
Suitable choice of raw material, advanced processing technology and perfect quality warranty.
With hardened treatment, drilling life can be extended and then cost can be reduced.
Size range 4.5’’,5”,5.5 ’’ etc.
Shank styles: NRC45,NRC55,NRC65,PR52
Applications
Our DTH hammer are widely applied to open pit and underground mining to drill blasting holes, drainage holes, ventilation holes, center holes or blasting holes of raising boring, pipe holes and other deep holesin all various strength rocks, such as quarry exploitation, earthwork projects, water-well, constructionsand so on.
Specifications
| Item Description | Weight(kg) | |||
| NRC45 | NRC55 | NRC65 | NRC52 | |
| 1, Internal Ciclip | 0.03 | 0.04 | 0.05 | 0.04 |
| 2, Air Screen | 0.35 | 0.44 | 0.65 | 0.44 |
| 3, Top Sub | 6.50 | 9.65 | 20.00 | 9.65 |
| 4, “O”Ring | 0.01 | 0.02 | 0.02 | 0.02 |
| 5, Sample Tube | 5.10 | 6.72 | 12.50 | 6.75 |
| 6, Check Valve | 0.25 | 0.68 | 0.85 | 0.68 |
| 7, Spring | 0.04 | 0.12 | 0.10 | 0.12 |
| 8, “O”Ring | 0.01 | 0.02 | 0.02 | 0.02 |
| 9, Air Distributor | 0.85 | 1.48 | 3.50 | 1.48 |
| 10, “O”Ring | 0.02 | 0.01 | 0.02 | 0.01 |
| 11, Internal Cylinder | 2.20 | 4.12 | 4.20 | 4.12 |
| 12, Piston | 8.50 | 16.90 | 24.00 | 16.90 |
| 13, External Cylinder | 14.50 | 19.50 | 32.00 | 21.50 |
| 14, Guided Sleeve | 1.20 | 0.90 | 5.50 | 1.90 |
| 15 , “O”Ring | - | - | - | 0.02 |
| 16, Stop “O”Ring | - | - | - | 0.01 |
| 17, Stop Ring | - | - | - | 0.32 |
| 18, Sharout | - | - | - | 1.86 |
| 19, Drive Chuck | 3.20 | 5.65 | 6.50 | 4.17 |
| 20, Bit Retaining Pin | 0.01 | 0.15 | 0.30 | - |
| 21, Drill Bit | 10.50 | 15.80 | 31.00 | 11.05 |
Feature Advantage
1. Price commitment: in order to ensure the high reliability of products, raw material selection are using grapefruit brand products; under the same competitive conditions,and not to reduce product technical performance on the basis of sincerity at a favorable price to customers.
2. Quality commitment: product manufacturing and testing have quality records and inspection data; the performance of the product can withstand customer inspection.
3. Customer service: in order to create new diamond brand, enhance the visibility of enterprises, establish corporate image, we serve customers with the principle of "preferential prices, good service, reliable product quality" principle.
Company Details
Business Type:
Manufacturer
Year Established:
2011
Total Annual:
1,000,000-40,000,000
Employee Number:
100~300
Ecer Certification：
Active Member
Hunan new diamond Construction Machinery Co., Ltd. is a professional engaged in the research and manufacture of drilling and pneumatic tools of modern high-tech enterprises。 The main research and manufacture of high air pressure DTH hammer, drill hole, drill pipe and drilling ... Hunan new diamond Construction Machinery Co., Ltd. is a professional engaged in the research and manufacture of drilling and pneumatic tools of modern high-tech enterprises。 The main research and manufacture of high air pressure DTH hammer, drill hole, drill pipe and drilling ...
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