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Brand Name : New Diamond
Model Number : Reverse Circulation Hammer
Certification : ISO9001:2008
Place of Origin : Hunan, China (Mainland)
MOQ : Negotiable
Price : Negotiable
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
Length(Without Bit) : 1020mm-1208mm
External Diameter : Ø99mm-Ø126mm
Hole Range : Ø114-Ø146mm
Connection Thread : custom
Recommended Rotation Speed : 25-40 r/min
Material : Alloy Steel
Description
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.
Technical Data | ||||
Length(Without Bit) | NRC45 | NRC55 | NRC65 | NRC52 |
1020mm | 1111mm | 1250mm | 1208mm | |
Weight(Without Bit) | 94.00 kg | 66.50 kg | 110.00kg | 70.00kg |
External Diameter | Ø99mm | Ø126mm | Ø146mm | Ø126mm |
Bit Shank | NRC45 | NRC55 | NRC65 | PR52 |
Hole Range | Ø114-Ø127mm | Ø133-Ø15mm | Ø155-Ø190mm | Ø133-Ø146mm |
Connection Thread | custom | custom | custom | custom |
Working Pressure | 1.0-3.0Mpa | 1.5-3.5Mpa | 1.5-3.5Mpa | 1.5-3.5Mpa |
Impact Rate at 17 Bar | 30HZ | 35HZ | 28HZ | 35HZ |
Recommended Rotation Speed | 25-40 r/min | 25-40 r/min | 25-40 r/min | 25-40 r/min |
Air Consumption | 1.0Mpa:8m³/min 1.8Mpa:12m³/min 2.4Mpa:16m³/min | 1.7Mpa:16m³/min 2.4Mpa:22m³/min 3.0Mpa:28m³/min | 1.7Mpa:20m³/min 2.0Mpa:26m³/min 3.0Mpa:35m³/min | 1.7Mpa:16m³/min 2.4Mpa:22m³/min 3.0Mpa:28m³/min |
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.
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Rock Quarry Tools Reverse Circulation Hammer for Rock chisel / Ore Mining Images |