Home > Products > DTH Hammers > Mission80 DTH Hammer/dth hammer used for mining drilling/quarrying dth hammer Quality Choice
Mission80 DTH Hammer/dth hammer used for mining drilling/quarrying dth hammer Quality Choice
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Product Details
| Place of Origin | Hunan, China | Brand Name | New diamond | |
| Model Number | Mission80/NM8A | Type | Drill Shank | |
| Machine Type | Drilling Tool | Certification | Other, ISO9001:2008 | |
| Material | Carbide | Processing Type | Forging | |
| Use | Ore Mining |
Product Description
Faster Drilling Speed and Most Advanced Air DTH Hammer(Mission80/NM8A)
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.
NM8A DTH Hammer Technical Data
Length (Less bit) | Weight (Less bit) | External diameter | Bit Shank | Hole Range | Connection Thread | ||
1338mm | 176.00kg | Φ180mm | HM8 | Φ195-Φ254 | API4 1/2”Reg | ||
Working Pressure | Impact rate at 1.7Mpa | Recommended rotation speed | Air consumption | ||||
1.0Mpa | 1.8Mpa | 2.4Mpa | |||||
1.0-2.5Mpa | 22HZ | 15-25r/min | 12m³/min | 22m³/min | 28m³/min | ||
Item Description | Weight (kg) | Part Number |
1. Top Sub
2. “O” Ring of Top Sub
3. Breakout Ring
4. Check Valve
5. Spring
6. Air Distributor
7. Internal Cylinder
8. Piston
9. External Cylinder
10. Guided Sleeve
11. “o” Ring of Stop Ring
12. Stop Ring
13. Breakout Ring
14. Drive Chuck
15. Drill Bit | 34.00
0.015
0.30
1.20
0.10
6.00
6.50
42.50
61.00
5.30
0.01
1.50
0.30
17.30
31.00 | NM8A01
NM8A02
NM8A03
NM8A04
NM8A05
NM8A06
NM8A07
NM8A08
NM8A09
NM8A10
NM8A11
NM8A12
NM8A13
NM8A14
NM8A15 |
Contact Us
- Hunan New Diamond Construction Machinery Co., Ltd.
- Contact nameRick Liao Chat Now
- Phone0086-731-89708148
- AddressMeiguiyuan, Yuelu district, Changsha city, Hunan, China, Yueyang, Hunan
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