OD 275mm Borewell Drilling Hammers / Dth Hammers And Bits N120A Impactor
N120A Impactor OD 275mm High Pressure Down The Hole Hammer
Description
1. Low problem rate and easy to maintenance due to simple, reliable and easy assemble and disassemble inner structure of hammer.
2. Easy to depart bit from hammer due to multi—head thread connecting chuck and cylinder of hammer.
3. Interchangeable with DTH bit and drill pipe.
Applications
Widely used in mines, quarries, earthworks and other engineering drilling blasting hole, guardrail hole, mountain reinforcement, anchorage and other engineering holes,geothermal exploration hole, Well bore and other fields.
Specifications
| N120A Technical Data | |
| Length(Without Bit) | N120A |
| 1880mm | |
| Weight(Without Bit) | 475.00kg |
| External Diameter | Ø275mm |
| Bit Shank | NUMA120 |
| Hole Range | Ø305-Ø445mm |
| Connection Thread |
API5 1/2REG API6 5”/8REG |
| Working Pressure | 2.0-3.5Mpa |
| Impact Rate at 17 Bar | 20HZ |
| Recommended Rotation Speed | 15-25r/min |
| Air Consumption |
1.0Mpa:28.0m³/min 1.8Mpa:50.0m³/min 2.4Mpa:71.0m³/min |
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.
Advantages:
Our DTH hammer and bits has following advantages:
Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to inner structure of DTH hammer designed according to newest rock drilling theory.
Smooth performance and long service life of DTH hammer due to high quality alloy steel materials and advanced
processing technology adapted.
Low problem rate and easy to maintenance due to simple , reliable and easy assemble and disassemble inner structure of hammer.
Easy to depart bit from hammer due to multi-head thread connecting chuck and cylinder of hammer.
Interchangeable with DTH bit and dill pipe manufactured by many brands all over the world.
The appearance of the picture is different from that of the actual product, and the actual product is the standard.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.