Home > Products > New Products > Faster Drilling Speed and Most Advanced Air DTH Hammer
Faster Drilling Speed and Most Advanced Air DTH Hammer
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Product Details
| Brand Name | New Diamond | Model Number | Mission40/NM4A | |
| Type | Drill Shank | Machine Type | Drilling Tool | |
| Material | Carbide | Processing Type | Forging | |
| Use | Ore Mining | Place of Origin | Hunan, China | |
| Certification | Other, ISO9001 |
Product Description
Faster Drilling Speed and Most Advanced Air DTH Hammer:
1. 10 years manufacturing experience;
2. Certificate: ISO9001:2008
3. Material: Carbide
It has the following advantages:
1. Out of the trouble of foot valve fracture and expansion and contraction.
2. Lower energy consumption and higher impact frequency. The drilling speed is 15%-30% higher than the one with foot valve.
3. Simple structure, reliable parts, long life, easy and cheap maintenance.
4. Lower air and oil consumption. The oil consumption is about 10% lower than the one with foot valve.
NM4A DTH Hammer Technical Data
Length (Less bit) | Weight (Less bit) | External diameter | Bit Shank | Hole Range | Connection Thread | ||
1005mm | 40.00kg | 99mm | HM4 | 110-135 | API2 3/8Reg | ||
Working Pressure | Impact rate at 1.7Mpa | Recommended rotation speed | Air consumption | ||||
1.0Mpa | 1.8Mpa | 2.4Mpa | |||||
1.0-2.5Mpa | 30HZ | 25-40r/min | 5m³/min | 9m³/min | 14m³/min | ||
1. Top Sub
2. O Ring of Top Sub
3. Check Valve
4. Spring
5. Air Distributor
6. Internal Cylinder
7. Piston
8. External Cylinder
9. Guided Sleeve
10. o Ring of Stop Ring
11. Stop Ring
12. Drive Chuck
13. Drill Bit | 6.50
0.01
0.35
0.05
1.50
2.10
8.50
14.80
1.80
0.005
0.30
3.80
6.60 | NM4A01
NM4A02
NM4A03
NM4A04
NM4A05
NM4A06
NM4A07
NM4A08
NM4A09
NM4A10
NM4A11
NM4A12
NM4A13 |
Contact Us
- Xian Wellwork Industrial Co., Ltd.
- Contact nameMilla Wang Chat Now
- Phone86-29-88771163
- AddressRm. 1601, Site A, Gaoke Plaza, , Gaoxin 4th Road., Yanta Area
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